How one brave victim helped unmask a ‘charming’ student as a serial rapist – as police work to locate dozens of others

Explainer
Explainer
Zhenhao Zou: How a student described as ‘smart and charming’ was unmasked as a prolific sexual predator

Zhenhao Zou, 28, drugged women with powerful tranquillisers at his flat in London then filmed them – officers discovered nearly 1,300 videos.