7 most notorious serial killers

Pedro Alonso Lopez, also known as The Monster of the Andes, a Colombian serial killer and fugitive who murdered a minimum of 110 people, mostly young women and girls.

Luis Garavito was a Colombian serial killer, pedophile, and necrophile. In October 1999, he confessed to committing, torture, and murder of 147 minors, predominantly young men and boys in western Colombia.

Harold Shipman was a serial killer. He is considered to be one of the most prolific serial killers in modern history, with an estimated 250 victims.

Javed Iqbal Mughal was a Pakistani serial killer and child molester who confessed to the sexual abuse and murder of 100 young boy.

Gary Leon Ridgway is an American serial killer known as the Green River Killer. He was initially convicted of 48 separate murders committed between the early 1980s and late 1990s.

Yang Xinhai was a Chinese serial killer who confessed to committing 67 murders and 23 rapes between 1999 and 2003.

Randy Steven Kraft is an American serial killer, known as the Scorecard Killer, the Southern California Strangler, and the Freeway Killer.