Yang Xinhai

Yang Xinhai (Chinese: 杨新海) (July 29, 1968 – February 14, 2004), also known as Wang Ganggang, Yang Zhiya, and Yang Liu, was a Chinese serial killer who confessed to committing 65 murders and 23 rapes between 1999 and 2003, and was sentenced to death and executed for 67. He was dubbed the "Monster Killer" by the media. He is the most prolific serial killer China has seen.