889 articles
Jeffrey R. MacDonald
Jeffrey R. MacDonald, former Army captain and Green Beret surgeon, convicted in 1979 of the 1970 Fort Bragg murders of his wife and two daughters; case spans decades of appeals, DNA disputes, Fatal Vision, and A Wilderness of Error.
Jeremy Bamber
Jeremy Bamber (born 1961) is serving a whole life sentence for the 1985 White House Farm murders in Essex; convicted in 1986 on silencer blood evidence and his ex-girlfriend's testimony, he maintains innocence and the CCRC continues reviewing his case.
Jeremy Hammond
Jeremy Hammond, also known as Anarchaos, is an American political activist and hacker from Chicago who hacked the intelligence firm Stratfor in 2011 and leaked its emails to WikiLeaks.
Jewish-American organized crime
Jewish-American organized crime, often called the Kosher Nostra, was the participation of Jewish immigrants in US criminal enterprises, chiefly from the early 1900s through the mid-century.
Jimmy Chérizier
Jimmy Chérizier, known as "Barbecue" and Babekyou, is a Haitian gang leader and former police officer who founded the G9 Family and Allies gang alliance in Port-au-Prince in 2020.
Jimmy Savile sexual abuse scandal
The Jimmy Savile sexual abuse scandal: posthumous revelations from the 2012 ITV Exposure documentary that BBC presenter Jimmy Savile was a prolific sexual abuser, triggering Operation Yewtree, the Pollard and Dame Janet Smith reports, and NHS investigations.
Joe Adonis
Joe Adonis (Giuseppe Antonio Doto, 1902-1971) was an Italian-American mobster of the Genovese/Luciano circles in New York, a Masseria killer, Kefauver figure, and deportee to Italy in 1956; not the actor or the Chippendales troupe.
John and Lorena Bobbitt
John and Lorena Bobbitt: married couple at the center of the 1993 Manassas, Virginia case in which Lorena severed John's penis; he was acquitted of marital sexual assault, she of malicious wounding by insanity.
John Battaglia
John David Battaglia (1955-2018), Dallas man executed by Texas on February 1, 2018 for the May 2001 shooting deaths of his daughters Mary Faith, 9, and Liberty, 6; case centered on competency-to-be-executed litigation.
John Bingham, 7th Earl of Lucan
Richard John Bingham, 7th Earl of Lucan (Lord Lucan, Lucky Lucan), British aristocrat and gambler who vanished in 1974 after nanny Sandra Rivett's murder; named killer at the 1975 inquest, declared dead 1999, death certificate 2016, body never found.
John Cannan
John David Guise Cannan (1954–2024), British murderer and rapist jailed in 1989 for killing Shirley Banks; officially named by Scotland Yard in 2002 as the only prime suspect in the 1986 Suzy Lamplugh disappearance, never charged, died at HMP Full Sutton.
John Darwin disappearance case
The John Darwin disappearance case was a British fraud in which John Darwin faked his death canoeing in 2002, collected about £228,000, and was exposed in 2007.
John Duffy and David Mulcahy
John Francis Duffy (born 1958) and David Mulcahy (born 1959), the Railway Rapists or Railway Killers, were childhood friends from north London who raped and murdered women near railway stations in southern England, 1982-1986; Duffy was convicted in 1988, Mulcahy only in 2001 after Duffy's prison confession and DNA evidence.
John Leonard Orr
John Leonard Orr, known as the Pillow Pyro, is an American serial arsonist and former Glendale fire captain who set nearly 2,000 fires in the 1980s and early 1990s.
John List (murderer)
John Emil List was an American mass murderer who shot his wife, mother, and children in Westfield, New Jersey, in 2001. He evaded authorities for 18 years.
John Worboys
John Worboys, now John Radford, the black-cab rapist: London taxi driver convicted in 2009 of 19 sexual offences against 12 women, linked to over 105 assaults; his 2018 parole release was quashed and he received two life sentences in 2019.
Joji Obara
Joji Obara (織原城二), born Kim Sung Jong in 1952, is a Korean-Japanese former property developer serving life for nine rapes, the 1992 death of Carita Ridgway, and the abduction and mutilation of Lucie Blackman's body; courts never convicted him of killing Blackman.
Jonathan James
Jonathan James (cOmrade), American hacker born 1983, first US juvenile sentenced to custody for hacking; breached DTRA and NASA in 1999, downloading $1.7 million ISS software; died May 18, 2008 during TJX investigation.
Jonathan Lee Riches
Jonathan Lee Riches, aka JLR Investigates, an American convicted wire fraudster who filed thousands of frivolous federal lawsuits as a prisoner, drew court injunctions, and later became a true-crime personality covering the Nancy Guthrie case.
Josh Phillips (murderer)
Joshua Earl Patrick Phillips is an American who killed 8-year-old Maddie Clifton in Jacksonville, Florida, in 1998, at age 14, and was sentenced to life in prison.
Juárez Cartel
Juárez Cartel (Cártel de Juárez), also the Vicente Carrillo Fuentes Organization, is a Mexican drug trafficking organization based in Ciudad Juárez, Chihuahua, founded in the 1980s, led by Amado Carrillo Fuentes until 1997, and now dominated by its La Línea armed wing.
Kansas City crime family
Kansas City crime family, also called the Civella clan, a Kansas City, Missouri Italian-American Mafia family born under the Pendergast machine, led by Nick Civella, notorious for Las Vegas casino skimming, now a small remnant reportedly led by John Sciortino.
Kaoru Kobayashi (小林薫) (murderer)
Kaoru Kobayashi (小林薫), 1968-2013, Japanese newspaper delivery worker who kidnapped, sexually assaulted, and murdered 7-year-old Kaede Ariyama in Nara on 17 November 2004; death sentence 2006, executed 2013.
Katherine Knight
Katherine Mary Knight, Australian abattoir worker who murdered partner John Price at Aberdeen NSW in February 2000, skinned and cooked his body; first Australian woman sentenced to life without parole.
Keddie murders
The Keddie murders, also called the Cabin 28 murders, are an unsolved April 11–12, 1981 quadruple homicide at Keddie Resort, Plumas County, California, killing Sue Sharp, John Sharp, and Dana Wingate; Tina Sharp's remains were found in 1984. Smartt and Boubede were suspects; DNA matched a living suspect in 2018.
Keli Lane
Keli Lane, Australian former elite water polo player convicted in 2010 of murdering her two-day-old daughter Tegan (born 1996, body never found); sentenced to 18 years, appeals dismissed, denied parole under NSW no-body-no-parole laws.
Kenneth Parnell
Kenneth Eugene Parnell (1931-2008), American child molester and kidnapper who abducted Steven Stayner in Merced, California in 1972, held him seven years as "Dennis Parnell," kidnapped Timmy White in 1980, and died in prison after a three-strikes conviction.
Kevin Mitnick
Kevin Mitnick (1963–2023) was an American hacker and social engineer who became one of the FBI's most wanted computer criminals before a 1995 arrest in Raleigh.
Kickback (bribery)
Kickback (bribery): a portion of contract or referral proceeds returned to the person who steered the transaction. Also called commercial bribery or fee splitting; defined under 41 U.S.C. § 8701, the healthcare Anti-Kickback Statute, and RESPA, often as a percentage of contract value in corrupt procurement.
Kidflix
Kidflix (KidFlix), darknet child sexual abuse material streaming platform created in 2021, 1.8 million users 2022–2025, ~91,000 videos; shut down 11 March 2025 in Europol's Operation Stream: 1,393 suspects identified, 79 arrested, 39 children protected.