Carl Panzram (AKA: Jeff Rhoades, John O’Leary) was born on June 28, 1891 in Minnesota and executed on September 5, 1930 in Leavenworth, Kansas Federal Prison.

Karl Großmann was born on December 13, 1863 in Neuruppin and died on July 5, 1922 in Berlin. The butcher of Berlin mostly invited young women to his house and killed them.

Donald Henry Gaskins alias Pee Wee was often raped by men in his youth. When Gaskins was raped again by a fellow inmate at the age of 20, he cut his throat - his first victim.

American serial killer Dennis Rader, also known as BTK Killer (English for Bind, Torture and Kill), killed at least eight people in the period from 1974 to 1991.

Henry Howard Holmes's real name Herman Webster Mudgett was born on May 16, 1860 and was executed on May 7, 1896 in Philadelphia, Pennsylvania. The exact number of its victims is not known, it is assumed that up to 200 victims.

Peter Kürten, also called Vampire from Düsseldorf, was a multiple serial killer at the beginning of the last century. He committed a series of sexual crimes, robberies and murders of children and adults.

The French serial killer Joseph Vacher lived from 1868 to 1898. The police assume that he had at least 11 people on his conscience. Vacher's victims were mostly young agricultural workers. It didn't matter whether they were female or male.