Bumpy Johnson was one of Harlem's most notorious crime bosses of the 20th century.

Frank 'The Irishman' Sheeran was an Irish-American labor union official who helped facilitate organized crime activity into labor unions and claimed to have killed Teamster president Jimmy Hoffa.

Adnan Syed is a Muslim-American man who was convicted of murdering his ex-girlfriend Hae Min Lee in 1999. His case became internationally famous by the podcast "Serial" in 2014.

Chris Watts is a Colorado man who committed familicide by murdering his pregnant wife and two young daughters in August 2018.

Bernard Madoff’s ponzi scheme victims are due another $504 million in government-seized assets; in all, about 21,000 victims will have received more than $1.2 billion. Madoff is currently serving 150 years in prison for devising one of Wall Street’s largest frauds.

Erik Menendez and brother Lyle were found guilty of murdering their parents, Jose and Kitty Menendez. They were both sentenced to life in prison in 1996.

Erik and Lyle Menendez have been reunited in a Southern California prison. The brothers -- who are serving life sentences without parole for killing their parents in their Beverly Hills mansion in 1989 -- moved into the same housing unit and will participate in rehabilitation programs.

Charles Manson was an American cult leader whose followers carried out several notorious murders in the late 1960s, resulting in his life imprisonment. He died in 2017 after spending more than four decades in prison.

Former American football star O.J. Simpson was acquitted for the murders of his ex-wife and her friend following a high-profile 1995 criminal trial, dubbed the "Trial of the Century."

Warren Jeffs, the former leader of the polygamist sect Fundamentalist Church of Jesus Christ of Latter-Day Saints, was convicted in 2011 for the sexual assault of underage girls.

Outlaw Clyde Barrow and his partner Bonnie Parker robbed banks and store owners during the Depression, with the duo and their gang held responsible for an array of murders.

Kathy Bates has joined Kim Dickens, Kevin Costner and Woody Harrelson in Netflix’s 2018 drama, ‘The Highwaymen.’ Based on true events, the film features two Texas Rangers drawn out of retirement to hunt down the notorious Great Depression criminal couple, Bonnie and Clyde.

Cult leader David Koresh led the Branch Davidians in a deadly 51-day stand-off against the FBI and the Federal Bureau of Alcohol, Tobacco and Firearms.

Madeleine McCann was a three-year-old British toddler when she disappeared on May 3, 2007 while on holiday with her family in Portugal. Her unsolved missing-persons case has become a worldwide sensation.

American serial killer and rapist Ted Bundy was one of the most notorious criminals of the late 20th century, known to have killed at least 36 women in the 1970s. He was executed in the electric chair in 1989.

Jodi Arias was convicted of brutally murdering her ex-boyfriend Travis Alexander at his Arizona home in 2008.

David Berkowitz, known as Son of Sam, murdered six people in New York City from 1976 to 1977, claiming he received orders from a demon-possessed dog. He is one of the most notorious serial killers in America.

The granddaughter of 19th century media mogul William Randolph Hearst, Patty Hearst was kidnapped by the Symbionese Liberation Army in 1974. She spent 19 months with her captors—joining them in criminal acts soon after her kidnapping—before she was captured by the FBI.

Billy the Kid is best known for his time as a thief and gunfighter, constantly on the run from law enforcement.

Infamous drug trafficker Griselda Blanco is suspected of committing more than 200 murders while transporting cocaine from Colombia to the U.S. She was murdered in Colombia in 2012.

Elizabeth Smart spent nine months in captivity after being abducted from her home at age 14 in 2002. She has since gone on to become an accomplished activist and author.

Ted Kaczynski is a mathematician best known for a campaign of letter bombs he sent as the 'Unabomber' over a nearly 20-year period, resulting in three fatalities.

Richard "The Iceman" Kuklinski parlayed his penchant for violence into a hitman contract for some of the most prominent Mafia crime families, and is believed to have killed between 100-200 men.

H.H. Holmes was the alias of one of America's first serial killers. During the 1893 Columbian Exposition, he lured victims into his elaborate "murder castle."