Cheng Ruilong

Cheng Ruilong (; January 1973 – 2 November 2010) was a Chinese robber, rapist, and serial killer responsible for 11 to 13 murders committed in several cities in central, eastern, and southern China between 1996 and 2005. After being caught for robbery and sentenced to serve 7 years under a false name, his real identity would be revealed and he was convicted, sentenced to death and subsequently executed in 2010.

Biography Cheng was born in January 1973 in Lianzhou, Guangdong, and at the time of his killings, was married, had one child and was unemployed.

His first crime occurred in the Guicheng Subdistrict of Foshan on 25 May 1996, when he and three other men (Lan Qirong, Cheng Sheng and Cheng Haifang) broke into a private residence. Cheng would be convicted of murder in the first instance, which he claimed was factually incorrect, and applied for an appeal. In the early morning, he was executed via lethal injection. According to a prison official, he left behind numerous letters written to his family, including a "suicide" letter to his son, claiming that he wanted his son to never learn that he was a murderer.