3,576 articles
International Penal and Penitentiary Foundation
International Penal and Penitentiary Foundation (IPPF, FIPP), a Swiss-law foundation in Bern founded 1951 from the 1872 International Prison Commission; sui generis UN-linked body that shaped the Nelson Mandela and Tokyo Rules and holds expert colloquia on penal policy.
Internet fraud
Internet fraud is deception via digital channels to steal money, data, or identities. Also called cyber-enabled fraud or online scams; includes phishing, romance, investment, and business email compromise scams, with $16.6 billion in US losses reported to the FBI in 2024.
Internet homicide
Internet homicide: killings in which the internet or social media plays a role, as an encyclopedia, platform, trigger, marketplace, or meeting place for perpetrators. Studies find such cases largely replicate existing homicide forms, not unique crime types.
Internment camps in Hungary
Internment camps in Hungary were extrajudicial detention facilities run by the communist regime under Mátyás Rákosi from 1945 to 1953, holding people deemed dangerous without trial.
Interrogation
Interrogation, the custodial questioning of suspects by police, spans the coercive third degree, the 1966 Miranda warnings, accusatorial methods like the Reid technique, and information-gathering models such as PEACE, with false confessions contributing to roughly 12% of US wrongful convictions.
Investigations into the Eric Adams administration
Investigations into the Eric Adams administration: federal, state, and city corruption probes of the New York mayor (2022-2025), his 2021 campaign, Turkish donations, his 2024 indictment, the 2025 DOJ-ordered dismissal, and later inner-circle charges.
Ipswich serial murders
Ipswich serial murders, also called the Suffolk murders or Suffolk Strangler case: Steve Wright killed five sex workers in Ipswich, England, in late 2006, was convicted in 2008, and admitted a sixth 1999 murder in 2026.
Ira Einhorn
Ira Einhorn (1940-2020), the 'Unicorn Killer,' was a Philadelphia counterculture guru and Earth Day master of ceremonies convicted of murdering Holly Maddux, whose body was found in his trunk; a fugitive in France for 16 years, he was extradited in 2001 and sentenced to life in 2002.
Irish indentured servants
Irish indentured servants: Irish people bound or transported to fixed-term plantation labor in the Americas and Caribbean, especially under Cromwell (1649–1659); distinct from chattel slavery, contrary to the 'Irish slaves' myth.
Iron maiden
Iron maiden: a supposed medieval spiked execution cabinet, actually an 18th-19th-century fabrication originating with an 1793 Siebenkees note about a 1515 Nuremberg execution; no medieval evidence exists.
Is Anyone Up?
Is Anyone Up? (isanyoneup.com) was Hunter Moore's 2010-2012 revenge porn website posting nonconsensual nude photos with victims' social media links; shut down after an FBI investigation, Moore sentenced to 30 months in 2015.
Isaac Wright Jr.
Isaac Wright Jr., New Jersey attorney and music producer, wrongfully convicted in 1991 as a drug kingpin, overturned his own life sentence by studying law in prison, and inspired ABC's For Life.
Isabella Stewart Gardner Museum theft
1990 theft of 13 artworks, including Rembrandt's only seascape and Vermeer's The Concert, from Boston's Isabella Stewart Gardner Museum by two fake police officers; largest U.S. property crime, still unsolved, $10 million reward.
Isdal Woman
Isdal Woman (Isdalskvinnen), unidentified burned body found in Isdalen near Bergen, Norway, November 1970; used fake hotel aliases, closed as suicide, still unsolved; isotope analysis points to the German-French border region.
Isla Vista attacks copycat crimes
Isla Vista attacks copycat crimes: violence by perpetrators citing Elliot Rodger, 2014 Isla Vista attacker, including Alek Minassian's 2018 Toronto van attack, Scott Beierle's 2018 Tallahassee shooting, and the 2020 Toronto machete attack; also covers contagion research.
Ismael "El Mayo" Zambada
Ismael "El Mayo" Zambada (Ismael Mario Zambada-Garcia), born 1948 in Culiacán, co-founded and led the Sinaloa Cartel, evaded capture for five decades, was arrested July 25, 2024 in New Mexico, and pleaded guilty in Brooklyn in 2025.
Ismael Zambada Sicairos
Ismael Zambada Sicairos, also known as Mayito Flaco, is a Mexican drug trafficker and leader of the Los Mayos faction of the Sinaloa Cartel. He is a fugitive from U.S. justice.
Israel Keyes
Israel Keyes (1978-2012) was an American serial killer arrested in 2012 for the murder of Samantha Koenig in Anchorage, Alaska; the FBI believes he killed 11 victims and buried murder-kit caches nationwide before his jail suicide.
Israeli mafia
Israeli mafia: family-based mafia-style organized crime groups in Israel active in extortion, drugs, arms trafficking, and loan sharking, concentrated in Tel Aviv, the north, and Arab communities, with rising homicide rates and 2024 anti-crime legislation.
Issei Sagawa (佐川一政)
Issei Sagawa (佐川一政), Japanese student who murdered and ate Dutch classmate Renée Hartevelt in Paris in 1981, was declared insane in France, deported to Japan, released in 1985, and died in 2022.
Iuventa
Iuventa was a rescue ship operated by the German non-profit Jugend Rettet in the Central Mediterranean from 2016 to 2017, rescuing over 23,000 people before Italy seized it.
Iván Archivaldo Guzmán Salazar
Iván Archivaldo Guzmán Salazar, alias El Chapito (born 1983), son of El Chapo, co-leads the Los Chapitos faction of the Sinaloa Cartel; indicted in the US in 2023 for fentanyl trafficking, sanctioned, and a $10 million fugitive.
Ivan Milat
Ivan Robert Marko Milat, Australian road worker and serial killer known as the backpacker murderer; killed seven backpackers in Belanglo State Forest, NSW, 1989-1992; convicted 1996, died in prison 2019; suspected in other cold cases.
Ivey v Genting Casinos
Ivey v Genting Casinos (UK) Ltd t/a Crockfords [2017] UKSC 67: UK Supreme Court case in which Phil Ivey's £7.7m edge-sorting Punto Banco win was ruled cheating, and the Ghosh dishonesty test was overruled.
J. Edgar Hoover
J. Edgar Hoover (John Edgar Hoover) directed the FBI and its precursor from 1924 until his death in 1972, 48 years under eight presidents from Coolidge to Nixon. He professionalized the FBI through fingerprint files and the crime lab, while covert programs such as COINTELPRO targeted civil rights groups and later forced reforms.
Jack Dragna
Jack Dragna (Ignazio Dragna, 1891–1956) was an Italian-American mobster who led the Los Angeles crime family from 1931 until his death; a commission called him the "Al Capone of Los Angeles."
Jack family disappearance
Jack family disappearance: Ronald, Doreen, Russell, and Ryan Jack, an Indigenous family of Prince George, British Columbia, vanished August 2, 1989 after accepting a logging-camp job offer from an unidentified man; unsolved, no trace found.
Jack McCall
Jack McCall (John McCall, c. 1853–1877), also Broken Nose Jack, was the drifter and gambler who shot Wild Bill Hickok in the back of the head at Nuttal & Mann's Saloon No. 10, Deadwood, on August 2, 1876; acquitted by a miners' court, retried in Yankton, and hanged March 1, 1877.
Jack McVitie
Jack "the Hat" McVitie (Jack Dennis McVitie, 1932-1967) was a London enforcer in the Kray twins' firm, murdered by Reggie Kray in Stoke Newington in October 1967; the killing anchored the 1969 Old Bailey convictions that ended the Krays.
Jack the Ripper
Jack the Ripper, also known as the Whitechapel Murderer, is the unidentified serial killer who murdered five women in Whitechapel, London, in autumn 1888; the name came from a hoax letter, and the case remains unsolved.