Warning: This clip contains mention of rape. A Chinese PhD student has been found guilty of drugging and raping 10 women. Zhenhao Zou, 28, has been jailed for life with a minimum term of 24 years after being convicted of multiple sexual assaults on women in the UK and China. Senior Investigating Officer for the Metropolitan Police, Richard Mackenzie, claimed that Zou's crimes made him "one of the most prolific predators we have ever see." Saira Pike, senior prosecutor for the Crown Prosecution