What crimes is Sizhe "Steven" Weng accused of?

Sizhe "Steven" Weng, a USC doctoral student, is accused of drugging and sexually assaulting three women, including forcible rape, sodomy by controlled substance, and sexual penetration by controlled substance.

How did the police investigation into Weng begin?

The LAPD investigation into Weng began after they received a tip from German authorities about the student.

What evidence did the police find in Weng's residence?

Police searched Weng's residence and allegedly discovered sexually explicit Polaroid images, as well as midazolam, leather straps, syringes, red tubing, and dental mouth devices, which were reportedly used in the alleged assaults.

Home / Crime and Justice / USC Student Confesses to Drugging and Sexually Assaulting Three Women

USC Student Confesses to Drugging and Sexually Assaulting Three Women

1 Nov

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Summary

USC doctoral student Sizhe "Steven" Weng, 30, allegedly admitted to drugging and sexually assaulting three women
Weng has been charged with forcible rape, sodomy, and other sexual assault crimes
Police found evidence in Weng's residence, including drugs, syringes, and devices used in the alleged assaults

USC Student Confesses to Drugging and Sexually Assaulting Three Women

According to a prosecutor's motion filed on September 2, 2025, a University of Southern California (USC) doctoral student, Sizhe "Steven" Weng, 30, has allegedly confessed to drugging and sexually assaulting three women. The alleged assaults occurred while Weng was enrolled as a doctoral student at USC between 2021 and 2024.

Weng has been charged with forcible rape, sodomy by controlled substance or anesthesia, rape by controlled substance, and sexual penetration by controlled substance or anesthesia. He has pleaded not guilty to the charges. The prosecutor's motion states that Weng's alleged victims include two friends from China and a classmate in his doctoral program.