A 30-year-old doctoral student was in custody Wednesday after he was charged with drugging and raping multiple women between 2021 and 2024 while he was attending the University of Southern California.

Sizhe Weng , a Chinese national, is accused of raping three women after putting drugs into their food or drinks and incapacitating them in the greater Los Angeles area.

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“It’s very similar to what you’re talking about in terms of roofies,” said Deputy Chief Alan Hamilton.

The investigation began in Los Angeles in January when German authorities reached out to the Los Angeles Police Department about Weng, who also goes by Steven Weng, according to Hamilton.

In addition to using narcotics to immobilize the victims, Wen

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