Aileen Wuornos - Shot and killed 7 different men at point blank range.

Dennis Rader (BTK Killer) - Dennis liked to create/wear masks when he killed his victims.

Ted Bundy - Bundy confessed to 30 abduction/murders but the true number is unknown.

Jeffrey Dahmer - Also known as the Milwaukee Cannibal.

Joseph James DeAngelo (Golden State Killer) - Joseph has since shown remorse for killing upwards of 45 people.

Ed Gein - Ed Gein was a true momma's boy. He took care of her until her death. He then began grave-robbing and dressing up remains in women's clothing. Think Norman Bates.

H.H. Holmes - Famous for his bowler hat, Holmes confessed to 27 total murders.

Lizzie Borden - She was tried and eventually acquitted of the axe murders of her stepmother and father. Yeah...OK Borden.

Charles Manson - "Hey kids gather around and let Pappy Manson tell you about the cult I founded!"

Paul Michael Stephani - Also known as the "Weepy-voiced Killer", Paul would call the cops and report his murders. He would speak with remorse in a high-pitched tone.

Richard Ramirez (The Night Stalker) - Ramirez lived up to his nickname and was convicted on 13 counts of murder.

Jack the Ripper - In 1888, The Ripper terrorized London's East End killing 5 different prostitutes in the early hours of the morning.

John Wayne Gacy - Known for performing as a clown at local hospitals and events, Gacy typically would lure victims into his ranch house.

Andrea Yates - Yates drowned all 5 of her children (including their 6-month old baby) in the family's bathtub in 2001.

Zodiac Killer - In 1969 the Zodiac Killer sent his first set of infamous letters.