In December 1996, Celina Mays vanished without a trace from her New Jersey home just two weeks before she was due to give birth — and hasn’t been seen since.

After his involvement in several cold-blooded murders and a terrorist bombing campaign across Italy in the early 1990s, Matteo Messina Denaro lived as a fugitive for 30 years until his arrest in 2023.

Although Albert Speer designed some of Nazi Germany's most prominent buildings and served as the Minister of Armaments and War Production during World War II, he later claimed that he had no knowledge of the Holocaust.

The career of Vincent "Don Vito" Margera ended abruptly in 2006 when he inappropriately touched pre-teens at a skateboarding event and was convicted of sexual assault.

The 1998 murder of James Byrd Jr. in Jasper, Texas, spurred federal hate crime legislation, even as some people insisted that it was simply a drug deal gone wrong.

In the 1960s, feuds between the Winter Hill Gang and their underworld rivals left dozens of mobsters dead across the Boston area — and that was just the beginning of the Irish mob's bloody reign.

From the late 1860s until the early 20th century, Wild West gangs including Butch Cassidy's Wild Bunch and the posse of Tom "Black Jack" Ketchum hid at Hole-in-the-Wall Pass, where they collectively became known as the Hole-in-the-Wall Gang.

The Wild Bunch terrorized the American frontier in the 1890s, carrying out bold heists and shooting any lawmen who got in their way — but by the first decade of the 20th century, most of the outlaws were dead or behind bars.

Johnny Roselli and other mobsters agreed to collaborate with the CIA to kill the Cuban leader, but he was able to evade everything from poison pills to snipers to midnight boat raids.

No one knows Etta Place's real name, or what happened to her after she fled to South America alongside Butch Cassidy and the Sundance Kid in 1901.

The real story of Dog Day Afternoon took place in August 1972, when a would-be bank robber named John Wojtowicz held up a Brooklyn bank for 14 hours.

What was meant to be a tropical vacation on the Gulf of Mexico turned into a nightmare in February 2013 when the Carnival Triumph lost power and the toilets stopped working for four days.