During the time that Pol Pot ruled Cambodia, at least 1.4 million Cambodians were killed or died. Some individuals loyal to him were even killed for failing to find enough “counter-revolutionaries” to execute. As a result of starvation under Pol Pot, Cambodians began to hunt and eat Tarantulas in the countryside for sustenance. Tarantulas have since become a specialty snack and popular treat for tourist.
In the 1800s, a wealthy socialite named Delphine LaLaurie kept and tortured slaves in her mansion. In her torture chamber, women were chained to beds with their stomachs cut open, and their intestines wrapped about their waists. There were men with their eyeballs poked out and their private parts mutilated among other horrors.
Serial Killer with the most confirmed murders, Luis Garavito a.k.a ‘The Beast’ was charged with killing 172 children (it is speculated that the actual number exceeded 300). He received a sentence of 1853 years, but could not serve more than 30 years due to Colombian law. He is now only serving 22 years because he was a cooperating witness and will be released in 2021.
4Thompson and Venables
In 1993, a 2-year-old boy named James Bulger was abducted, tortured and murdered by two 10-year-old boys, Robert Thompson, and Jon Venables. There was a worldwide injunction against publication of either killers' location or new identity and in 2011 Venables was sent back to prison for child porn.
Fritz Haarmann was a German serial killer who killed at least 24 men and boys. He was known as the “Wolfman” because of his preference for biting through his victims' throats, which he referred to as “love bites.” He also dismembered their bodies which he is believed to have sold as mincemeat.
6Darya Nikolayevna Saltykova
In the 1700s, there was a rich widowed noblewoman named Darya Nikolayevna Saltykova, who out of jealousy, tortured and murdered servants. Because of her status, it took a petition to the royals to have her investigated. She spent several years in a windowless room. She survived in prison for 33 years.
Joshua Phillips at the age of 14 murdered his 8-year-old neighbor and hid her under his water bed for a week. During that time he was also a volunteer in her search party. He was later given a life sentence and now works as a paralegal to help other inmates with their appeals.
Griselda "Godmother" Blanco was suspected of over 200 murders, made $80 million a month in drug money, allegedly kidnapped and killed a child when she was only 11 years old, and only ever served 15 years in prison before being killed by a drive-by at the age of 69.
A South Korean man named Woo Bum-kon went a massive killing spree in 1982. He went village to village shooting and bombing people. In total he killed 56 and injured 35 people. He did this after he was filled with rage because he was awoken by his live-in girlfriend swatting a fly on his chest.
A serial killer named Jack Unterweger after being convicted of murder in 1974 was released in 1990 as an example of rehabilitation. He became a journalist and a minor celebrity, but within months started killing again, eventually murdering possibly over 12 people.