Considered as The Columbian Drug Lord, he controlled numerous drug empires while murdering thousands of people from all over the world in order to save his drug empire.

She is best known as The Cocaine Grandmother. It is estimated that Giselda is reponsible for more than two hundred murdered while running her cocaine business and transporting drugs from Columbia to Miami, South Carolina and New York.

He was a gang leader who was involved in several trains and bank robberies as well as murders. He became one of the most famous members of the most notorious 19th century.

He was American crime boss, mobster, and businessman who rose to prominence during the Prohibition era. He was the boss and co-founder of the Chicago Outfit.

John Wayne Gacy, notorius serial killer of 1970s, lured young boys and men to his home promising them work, only to sexually assault and murder them. Concealing his atrocities beneath his house, Gacy earned the horrific nickname of "The Killer Clown" due to his side job of a childrenś entretainer. Convicted in 1980 for 33 murders, he was sentenced to death and executed in 1994.

Known as the Monster of Milwaukee, he killed and dismembered an amount of seventeen people between 1978 and 1991. He also commited sexual assault on various occasions. Many of his murderers involved necrophilia, cannibalism and even the preservation of the corpses. Fortunately, he got arrested on July 1991. 

Theodore Robert Bundy, better known as Ted Bundy, was an American serial killer who kidnapped, raped and murdered tens of white women in the 70s. Most of his victims were between 15 and 25 years old, mostly university students. 

The judge found him guilty and he was sentenced to death in the electric chair for his murders.