Gary Leon Ridgway (born February 18, 1949) is an American serial killer known as the Green River Killer.He was initially convicted of 48 separate murders committed between the early 1980s and late 1990s. As part of his plea bargain, another conviction was added, bringing the total number of convictions to 49, making him the second-most prolific …Jeffrey Dahmer was an American serial killer who took the lives of 17 men and boys between 1978 and 1991. ... Jeffrey Dahmer was born in Milwaukee, on May 21, 1960, to Lionel and Joyce Dahmer ...Cory Morris. Cory Deonn Morris (born May 10, 1978), known as The Crackhead Killer, is an American serial killer and necrophile who killed at least five women at his trailer in Phoenix, Arizona, over a period of eight months from 2002 to 2003. [1] Morris was convicted of the five murders and sentenced to death. [2]Android task killers improve your phone's performance while also boosting battery life—or at least that's the much-debated promise. Here's a look at how task killers actually work,...Jeffrey Lionel Dahmer (/ ˈ d ɑː m ər /; May 21, 1960 – November 28, 1994), also known as the Milwaukee Cannibal or the Milwaukee Monster, was an American serial killer and sex offender who killed and dismembered seventeen males between 1978 and 1991. Many of his later murders involved necrophilia, cannibalism, and the permanent preservation of …Michael Madison (born October 15, 1977) is an American convicted serial killer and sex offender from East Cleveland, Ohio who is known to have committed the murders of at least three women over a nine-month period in 2012 and 2013. He was arrested and charged with the crimes in 2013 and was sentenced to death in 2016. Madison is currently being held …Thomas Richard Bunday (September 28, 1948 – March 15, 1983) was an American serial killer who, from 1979 to 1981, committed a series of murders of young women and girls in the city of Fairbanks, Alaska.At the time of the killings, Bunday was serving at the Eielson Air Force Base near Fairbanks, and for a long time avoided suspicion. Despite …Levi Bellfield (born Levi Rabbetts; 17 May 1968) is an English serial killer, sex offender, rapist, kidnapper, and burglar.He was found guilty on 25 February 2008 of the murders of Marsha McDonnell and Amélie Delagrange and the attempted murder of Kate Sheedy, and sentenced to life imprisonment. On 23 June 2011, Bellfield was further found guilty of the …June 27, 2006. (2006-06-27) (aged 46) Executed. Angel Maturino Reséndiz (August 1, 1959 – June 27, 2006), also known as The Railroad Killer, was a Mexican serial killer suspected in as many as 23 murders across the United States and Mexico during the 1990s. Some also involved sexual assault.Many weed killers contain dangerous chemicals that are harmful if swallowed. This article discusses poisoning by swallowing weed killers containing a chemical called glyphosate. Ma...As of September 2014, the daughters of Barack Obama are 16 years old and 13 years old. The eldest daughter, Malia, was born on July 4, 1998, and the youngest, Sasha, was born on Ju...Aileen Wuornos was born as Aileen Carol Pittman on February 29, 1956, in Rochester, Michigan. ... In June 1986, Wuornos, now calling herself “Lee,” met 24-year-old Tyria Moore at a gay bar in ...Oct 3, 2023 · Shawcross was born on June 6, 1945, and died on November 10, 2008, while serving a life sentence for the murder of 11 women. ... Several weeks later on April 22, 1972, he married his third wife ... 1991-07-22 Jeffrey Dahmer confesses to killing 17 men in 1978. 1992-01-13 American serial killer Jeffrey Dahmer pleads guilty but insane. 1992-02-15 Jeffrey Dahmer found sane and guilty of killing 15 boys. 1994-11-28 Convicted serial killer Jeffrey Dahmer is clubbed to death by fellow inmate Christopher Scarver in the Columbia Correctional ... Samuel Little, a convicted murderer who the FBI says is the most prolific serial killer in U.S. history, died Wednesday at age 80.. Little was serving three consecutive life-without-parole ...11 Currently Active Serial Killers: Unsolved Cases in 2024. Long Island Serial Killer Joe TurnerMar 31, 2023. 109 comments. At any one time, it’s believed that there are around 25-50 active serial killers lurking in the dark corners of the USA, stalking the streets and highways for their next potential victim. Criminals Born June 15. Jodi Hildebrandt, 54 Criminal. 1. El Chino Ántrax (1980-2020) Criminal. 2. Sam Giancana (1908-1975) Criminal. 3. Top June 15 Birthdays. Most ... Peter Sutcliffe, a name that sends chills down the spines of many, was the serial killer born on June 2nd. Hailing from Bingley, West Riding of Yorkshire, Sutcliffe grew up in a typical working-class family alongside his parents, John William Sutcliffe and Kathleen Frances Coonan. The Early Years of Peter SutcliffeOne of the most notorious serial killers in America, Ted Bundy was known for charming his young female victims into complacency before brutally assaulting and murdering them. Though he killed at least 30 women, Bundy went relatively unnoticed until August 16, 1975, when a routine traffic stop led to the discovery of multiple suspicious items, including pantyhose, a ski mask, a crowbar, an ice ...Birthday: May 21, 1960 Serial killer name: The Milwaukee Cannibal, The Milwaukee Monster Gemini qualities: There were two sides to Jeffrey Dahmer, the quiet loner who eloquently talked his way into "day release" one of the times he was arrested for child molestation, and the brutal murderer, necrophile, and cannibal.; Dahmer was always a …Though USB has become the interface of choice for most new printers, serial ports are still very common in many business computers due to the large number of serial printers still ...🎂 Birthdays of Famous Serial killer / Celebrity, on October 15, Born in (or Nationality) United States. ... Military officer (22) University teacher (22) Film producer (22) Judge (22) Businessperson (21) Songwriter (19) Birthdays by Region. ...Born from December 22 to January 19, Capricorn is the tenth sign of the zodiac. Looking at serial killers based on zodiac, you can find some pretty fascinating connections. Many serial killers born in December and January fall under the Capricorn sign, and they all happen to share a few key personality traits.June 21 is the 172nd day of the year (173rd in leap years). ... Edward Williams is born. 1960 – James Anthony Frederick is born. 1964 – Vladimír Kuna is born. 1972... Serial Killer Database Wiki. Welcome to the Serial Killer Database. Check out our Reddit page, and Youtube channel. Please look through the Manual of Style and editing ...Wayne Bertram Williams (born May 27, 1958) is an American convicted murderer and suspected serial killer who is serving life imprisonment for the 1981 killings of two men in Atlanta, Georgia. Although never tried for the additional murders, he is also believed to be responsible for at least 24 of the 30 Atlanta murders of 1979–1981, also known as the …Russell Smith was a serial killer who appeared in the Season Eight episode of Criminal Minds, "Perennials" via flashbacks. Born on June 22, 1947, the reason why Smith started killing is never elaborated on (though he was mentioned to be a sexual sadist). He killed a total of eight Alabama prostitutes from 1967 to 1987, by hammering icepicks into the back of their necks, starting with Patricia ...Andrei Chikatilo. YouTube. One of the most brutal serial killers of the Soviet Union and perhaps the world at large was Andrei Chikatilo. Chikatilo, born on October 165, 1936, was known by many names during his killing career, including the "Butcher of Rostov," "The Red Ripper," and "Citizen X," as per Biography. Walter Earl Ellis (June 24, 1960 – December 1, 2013), known as The Milwaukee North Side Strangler, was an American serial killer who raped and strangled at least seven women in the city of Milwaukee, Wisconsin between 1986 and 2007. Until May 2009, the killings were considered to be independent of one another, but were then linked together ... Early Life. Shawcross was born on June 6, 1945, and died on November 10, 2008, while serving a life sentence for the murder of 11 women. From his birthplace of Kittery, Maine, …State (s) Wisconsin. Date apprehended. September 7, 2009. Walter Earl Ellis (June 24, 1960 – December 1, 2013), known as The Milwaukee North Side Strangler, was an American serial killer who raped and strangled at least seven women in the city of Milwaukee, Wisconsin between 1986 and 2007.1. Ted Bundy. Ted Bundy in 1975 (Image Credit: Public Domain) Without a doubt one of the most famous serial killers in American history, Ted Bundy’s total victim count is still unknown to this day. Bundy was known for his crime spree during the 1970s which consisted of kidnapping, rape, and murder. Although he is well known for his …Forty years after the "Son of Sam" serial killer was arrested, ... David Berkowitz, seen here in a photo from the 1968 James M. Kieran J.H.S. yearbook, was born on June 1, 1953. He was given up ...Sergey Nikolaevich Tsukanov ( Russian: Сергей Николаевич Цуканов; born June 22, 1973), known as The Cemetery Maniac ( Russian: Кладбищенский маньяк ), is a Soviet - Russian serial killer and rapist who killed eight women in Likhvinka and Tula at two different time spans. The first murders, between 1989 ...Although we love a good home workspace, mobility is key for many of us and that requires a solid, well-organized, gadget-filled go bag. If you have yet to put one together, yours i...Serial killer Aileen Wuornos was murdered at least six men in Florida in 1989 and 1990. Read about her girlfriend, husband, victims, movie portrayals, and more.Presentations are a great time to shine at work. Here's how to make one that won't put people to sleep. By clicking "TRY IT", I agree to receive newsletters and promotions from Mon...Ricardo Leyva Muñoz Ramirez was born in El Paso, Tex., on Feb. 28, 1960, the last of five children of Mexican immigrants. ... After his first known murder, in June 1984, he lay low until March 17 ...Holmes was arrested and confessed initially to 27 murders, later upping the total to 130 to possibly gain notoriety so the true total may never be known. He was tried and executed for Pritezel's murder in 1896. Born: May 16, 1861. Birthplace: Gilmanton, New Hampshire, USA. Star Sign: Taurus. Date apprehended. May 22, 1980. Richard Francis Cottingham (born November 25, 1946) is an American serial killer who was convicted in New York of six murders committed between 1972 and 1980 and convicted in New Jersey of twelve murders committed between 1967 and 1978. [1] He was nicknamed by media as the Torso Killer and the Times Square Ripper ... In the United States, a majority of known and reported serial killers are Caucasian males in their 20s and 30s. Though white males comprise the majority of reported serial killer c...Levi Bellfield (born Levi Rabbetts; 17 May 1968) is an English serial killer, sex offender, rapist, kidnapper, and burglar.He was found guilty on 25 February 2008 of the murders of Marsha McDonnell and Amélie Delagrange and the attempted murder of Kate Sheedy, and sentenced to life imprisonment. On 23 June 2011, Bellfield was further found guilty of the …Little was born on June 7, 1940 in Reynolds, Georgia, a small town 100 miles south of Atlanta whose population hovers around 1,000. His mother was 16-year-old Bessie Mae Little, and his father was a 19-year-old named Paul McDowell. Throughout his life, Little would use the alias “Samuel McDowell.”By providing insight into the mind of a serial killer, Bundy aided detectives in capturing Gary Ridgway. Whereabouts Unknown Some are almost certainly dead, but others have managed to escape ...Harold Frederick Shipman (14 January 1946 – 13 January 2004), known to acquaintances as Fred Shipman, was an English general practitioner and serial killer.He is considered to be one of the most prolific serial killers in modern history, with an estimated 250 victims.On 31 January 2000, Shipman was found guilty of murdering fifteen patients under his care.Holmes was arrested and confessed initially to 27 murders, later upping the total to 130 to possibly gain notoriety so the true total may never be known. He was tried and executed for Pritezel's murder in 1896. Born: May 16, 1861. Birthplace: Gilmanton, New Hampshire, USA. Star Sign: Taurus.Richard Westall Rogers Jr. (born June 16, 1950), known as The Last Call Killer, is an American suspected serial killer.After being acquitted for the murder of a college … Criminals Born June 15. Jodi Hildebrandt, 54 Criminal. 1. El Chino Ántrax (1980-2020) Criminal. 2. Sam Giancana (1908-1975) Criminal. 3. Top June 15 Birthdays. Most ... The date of manufacture for a Lane cedar chest with serial number 141160 is June 11, 1941. The serial number is decoded by reading it backwards to form 061141; the first two number...One of North Dakota's wealthiest farmers was also a serial killer nicknamed 'The Midnight Rider' Eugene Butler was a founding father of Niagara, N.D. After his death in 1915, …This list of 51 serial killers with birthdays in November is sorted by the number of confirmed victims the killer had during his/her acts as a serial killer. Birth Month: A month is a unit of time, used with calendars, which is approximately as long as a natural period related to the motion of the Moon. The serial killers birthday falls in one ...Richard Marc Edward Evonitz (July 29, 1963 – June 27, 2002) was an American serial killer, kidnapper, and rapist responsible for the deaths of at least three teenaged girls in Spotsylvania County, Virginia, and the abduction and rape of 15-year-old Kara Robinson in Richland County, South Carolina.. Evonitz has been suspected of other murders, and …Rodney Halbower. Rodney Lynn Halbower (born June 27, 1948) is an American serial killer. He is the prime suspect in the Gypsy Hill killings, a series of murders of young women in San Mateo County, California and Reno, Nevada ), whose killer was named The San Mateo Slasher. In March 2014, based on DNA profiling, Halbower was named as a person of ...American psychopathic serial killer Arthur John Shawcross was born on the 6 June 1945 in Kittery, Maine. During his childhood, the family moved to Watertown, New York. He was not a good student and felt socially isolated from his peers who regarded his behavior as odd. His parents were Elizabeth Yerakes and Arthur Shawcross, and he had three ...In the United States, a majority of known and reported serial killers are Caucasian males in their 20s and 30s. Though white males comprise the majority of reported serial killer c...June is the sixth month of the year in the Gregorian Calendar. It has 30 days. June 1 – András Pándy is born in 1927. June 1 – Robert Reldan is born in 1940. June 1 – David Berkowitz is born in 1953. June 2 – Simon Bingelhelm is born in 1600. June 2 – Peter Sutcliffe is born in 1946. June 2 – Sergei Martynov is born in 1962. June 2 – Shawn …Date apprehended. December 11, 1978. Gary James Lewingdon (February 14, 1940 – October 24, 2004) and Thaddeus Charles Lewingdon (December 22, 1936 – April 16, 1989) were American siblings and serial killers, who committed a series of ten murders in different Ohio counties from December 1977 to December 1978 for the motive of robbery. As a ...Theodore Robert Bundy, otherwise known as Ted, was a high-profile serial killer in the 70s. Although his crimes were horrific, some people found him so handsome and charismatic tha...Rodney Halbower. Rodney Lynn Halbower (born June 27, 1948) is an American serial killer. He is the prime suspect in the Gypsy Hill killings, a series of murders of young women in San Mateo County, California and Reno, Nevada ), whose killer was named The San Mateo Slasher. In March 2014, based on DNA profiling, Halbower was named as a person of ...🎂 Birthdays of Famous Serial killer / Celebrity, in January, Born in (or Nationality) United States. ... Show All [Total 22 People] Page: 1 of 2 Next > 1 Israel Keyes. Jan 07, 1978 Richmond. American criminal. 2 Jerry Sandusky ...The history of an Idaho serial killer who has been on and off death row for nearly 43 years Posted at 7:56 PM, Nov 01, 2019 and last updated 2019-11-04 12:30:51-05Gary Gene Grant (born June 29, 1951) is an American serial killer who raped and murdered four young people in Renton, Washington, between 1969 and 1971.At the time of the killings, he was only 18 years old, with three of his victims being children under the age of 17. On August 25, 1971, Grant was convicted of murder and sentenced to life …Famous Serial killers' 🎂 Birthdays, October 23, United States. 🎂 Birthdays of Famous Serial killer / Celebrity, on October 23, Born in (or Nationality) United States. Browse famous birthdays sorted by profession, birth place and birth region.Victims. 7–18+. Span of crimes. 1985–1998. Country. Canada. United States (alleged) Michael Wayne McGray (born July 11, 1965) is a Canadian serial killer convicted of killing seven individuals between 1985 and 1998. He claims to have killed eleven others during the same time period. Famous Serial killers' 🎂 Birthdays, December 20, United States. 🎂 Birthdays of Famous Serial killer / Celebrity, on December 20, Born in (or Nationality) United States. Browse famous birthdays sorted by profession, birth place and birth region. 🎂 Birthdays of Famous Serial killer / Celebrity, on May 27, Born in (or Nationality) United States. Browse famous birthdays sorted by profession, birth place and birth region.Rosemary Pauline "Rose" West (née Letts; born 29 November 1953) is an English serial killer who collaborated with her husband, Fred West, in the torture and murder of at least nine young women between 1973 and 1987; she also murdered her eight-year-old stepdaughter Charmaine in 1971. The majority of these murders took place at the West …April 4, 2022. Bourgoin told interviewers that studying serial killers provided “a personal exorcism” after the murder of his girlfriend. Illustration by Maxime Mouysset. A brother …This list of 41 serial killers with birthdays in July is sorted by the number of confirmed victims the killer had during his/her acts as a serial killer. Birth Month: A month is a unit of time, used with calendars, which is approximately as long as a natural period related to the motion of the Moon. The serial killers birthday falls in one of ...2 Kenneth Bianchi. 🎂 Birthdays of Famous Serial killer / Celebrity, on May 22, Born in (or Nationality) United States. Browse famous birthdays sorted by profession, birth place and birth region.ARE SERIAL KILLERS BORN OR MADE? Posted on June 11, 2021 by Burcak Unal This article (with the exception of images) published by the Institute for Asian Crime and ... Journal of Criminal Justice, 49, 22-31. Hagan, F. E. (2016). Introduction to criminology, theories, methods, and criminal behavior (9th ed.). Thousand Oaks, CA: … 1 Patrick Kearney. 🎂 Birthdays of Famous Serial killer / Celebrity, on September 24, Born in (or Nationality) United States. Browse famous birthdays sorted by profession, birth place and birth region. 🎂 Birthdays of Famous Serial killer / Celebrity, on May 27, Born in (or Nationality) United States. Browse famous birthdays sorted by profession, birth place and birth region.Thomas Richard Bunday (September 28, 1948 – March 15, 1983) was an American serial killer who, from 1979 to 1981, committed a series of murders of young women and girls in the city of Fairbanks, Alaska.At the time of the killings, Bunday was serving at the Eielson Air Force Base near Fairbanks, and for a long time avoided suspicion. Despite …Arthur John Shawcross (June 6, 1945 – November 10, 2008), also known as the Genesee River Killer, was an American serial killer active in Rochester, New York from 1972 through 1989. Shawcross's first known murders took place in his hometown of Watertown, New York, where he killed a young boy and a girl.Under the terms of a plea bargain, he was allowed …This list of 38 serial killers with birthdays in April is sorted by the number of confirmed victims the killer had during his/her acts as a serial killer. Birth Month: A month is a unit of time, used with calendars, which is approximately as long as a natural period related to the motion of the Moon. The serial killers birthday falls in one of ... Famous Serial killers' 🎂 Birthdays, June 16, United States. 🎂 Birthdays of Famous Serial killer / Celebrity, on June 16, Born in (or Nationality) United States. Browse famous birthdays sorted by profession, birth place and birth region. FULL NAME: Ricardo Leyva Muñoz Ramirez BORN: February 29, 1960 DIED: June 7, 2013 BIRTHPLACE: El Paso, Texas SPOUSE: Doreen Lioy (1996-c. 2013) ASTROLOGICAL SIGN: Pisces Early LifeJohn Eric Armstrong (born November 23, 1973) is an American serial killer who was convicted of killing five female sex workers in Detroit, Michigan, but is believed to have murdered at least six more women between 1992 and 1999. ... On June 18, 2001, he was additionally convicted of killing Kelly Jean Hood, Robbin Brown, ...Many weed killers contain dangerous chemicals that are harmful if swallowed. This article discusses poisoning by swallowing weed killers containing a chemical called glyphosate. Ma...Tommy Lynn Sells (June 28, 1964 – April 3, 2014) was an American serial killer. Though convicted of only one murder, for which he received the death penalty and was eventually executed, authorities believe he committed a total of 22 murders. Sells himself claimed on various occasions to have murdered over 70 people.Serial Killer Sanity - Serial killer sanity is often questioned when determining the motive of the murders. Find out how serial killer sanity is diagnosed. Advertisement For some ...Birthdate: May 22, 1942. ... Birthdate: June 2, 1946. Birthplace: Bingley, England. Died: November 13, 2020. English serial killer Peter Sutcliffe was dubbed the Yorkshire Ripper as he was likened to the infamous unidentified serial killer, Jack the Ripper, by the press. Convicted of killing 13 women and injuring nine other, Peter …The date of manufacture for a Lane cedar chest with serial number 141160 is June 11, 1941. The serial number is decoded by reading it backwards to form 061141; the first two number...Victims. 7–18+. Span of crimes. 1985–1998. Country. Canada. United States (alleged) Michael Wayne McGray (born July 11, 1965) is a Canadian serial killer convicted of killing seven individuals between 1985 and 1998. He claims to have killed eleven others during the same time period.
Forty years after the "Son of Sam" serial killer was arrested, ... David Berkowitz, seen here in a photo from the 1968 James M. Kieran J.H.S. yearbook, was born on June 1, 1953. He was given up .... Hoodoo kayaks
David Stephen Middleton (born June 25, 1961), known as The Cable Guy, is an American former police officer, kidnapper, murderer, and suspected serial killer.Convicted and sentenced to death for the murders of two women in Nevada committed in 1994 and 1995, he is also the prime suspect in at least one additional murder in Colorado and rapes committed while serving in the Miami-Dade Police ... Date apprehended. June 21, 1981. Wayne Bertram Williams (born May 27, 1958) is an American convicted murderer and suspected serial killer who is serving life imprisonment for the 1981 killings of two men in Atlanta, Georgia. [1] Although never tried for the additional murders, he is also believed to be responsible for at least 24 of the 30 ... Forty years after the "Son of Sam" serial killer was arrested, ... David Berkowitz, seen here in a photo from the 1968 James M. Kieran J.H.S. yearbook, was born on June 1, 1953. He was given up ...Mikhail Viktorovich Popkov (Russian: Михаил Викторович Попков; born March 7, 1964) is a suspected Russian serial killer and former policeman who is allegedly responsible for the murders of at least 24 women. Mikhail Popkov was born on March 7, 1964 in Russia. He worked as a policeman before later becoming a security guard.Mar 8, 2019 · Sean Gillis' Childhood Years. Sean Vincent Gillis was born on June 24, 1962, in Baton Rouge, LA to Norman and Yvonne Gillis. Struggling with alcoholism and mental illness, Norman Gillis left the family soon after Sean was born. Yvonne Gillis struggled to raise Sean alone while maintaining a full-time job at a local television station. This list of 40 serial killers with birthdays in August is sorted by the number of confirmed victims the killer had during his/her acts as a serial killer. Birth Month: A month is a unit of time, used with calendars, which is approximately as long as a natural period related to the motion of the Moon. The serial killers birthday falls in one of ...🎂 Birthdays of Famous Serial killer / Celebrity, on October 15, Born in (or Nationality) United States. ... Military officer (22) University teacher (22) Film producer (22) Judge (22) Businessperson (21) Songwriter (19) Birthdays by Region. ...Presentations are a great time to shine at work. Here's how to make one that won't put people to sleep. By clicking "TRY IT", I agree to receive newsletters and promotions from Mon...Thomas Eugene Creech (born September 9, 1950) is an American serial killer who was convicted of two murders committed in 1974 and sentenced to death in Idaho.The sentence was reduced two years later on appeal to life imprisonment. He was sent back to Idaho's death row for a 1981 murder committed while imprisoned. Creech personally confessed …John Eric Armstrong (born November 23, 1973) is an American serial killer who was convicted of killing five female sex workers in Detroit, Michigan, but is believed to have murdered at least six more women between 1992 and 1999. ... On June 18, 2001, he was additionally convicted of killing Kelly Jean Hood, Robbin Brown, ...1 Alferd Packer. 🎂 Birthdays of Famous Serial killer / Celebrity, on January 21, Born in (or Nationality) United States. Browse famous birthdays sorted by profession, birth place and birth region.Siems never arrived, and a missing-person report was filed with police on June 22. No trace of the man had been found by July 4, when his car was wrecked and abandoned in Orange Springs, Florida. ... Occupation: Serial Killer Born: February 29, 1956 Birth name was Aileen Pittman Born in Rochester Michigan Convicted Woman Serial Killer .Richard Westall Rogers Jr. (born June 16, 1950), known as The Last Call Killer, is an American suspected serial killer.After being acquitted for the murder of a college …David Berkowitz, seen here in a photo from the 1968 James M. Kieran J.H.S. yearbook, was born on June 1, 1953. He was given up for adoption at birth and raised in Bronx, N.Y., by …Judy Garland — born Francis Ethel Gumm on June 10, 1922 — died more than half a century ago in 1969 at the much-too-young age of 47. She lived a life that was, in many ways, the em...This list of 41 serial killers with birthdays in July is sorted by the number of confirmed victims the killer had during his/her acts as a serial killer. Birth Month: A month is a unit of time, used with calendars, which is approximately as long as a natural period related to the motion of the Moon. The serial killers birthday falls in one of ....