
An alarming case of serial drug-facilitated sexual assaults at USC has shocked the nation, raising questions about campus safety and international crime cooperation.
Story Highlights
- USC Ph.D. student Sizhe Weng charged with multiple drug-facilitated sexual assaults.
- Investigation triggered by German authorities, highlighting international cooperation.
- Weng faces up to life imprisonment if convicted; additional victims sought.
- USC bars Weng from campus, pledging cooperation with law enforcement.
Charges and Investigation
Sizhe Weng, a Chinese national and doctoral student at the University of Southern California, stands accused of eight felony counts, including forcible rape and sexual penetration by controlled substances. The alleged assaults occurred from 2021 to 2024, with authorities suspecting more victims have yet to come forward. The investigation began in January 2025, following a tip from German authorities about a similar case in Europe.
Weng was arrested in Los Angeles on August 28, 2025, and formally charged on September 2, 2025. The Los Angeles County District Attorney and LAPD announced the charges publicly on October 15, 2025, urging any additional victims to contact the authorities. This case highlights the disturbing trend of drug-facilitated sexual assaults, an issue that continues to challenge law enforcement and university policies.
University Response and Implications
In response to the allegations, USC has barred Weng from campus and is working closely with law enforcement. The university stated that providing a safe environment is their top priority, reflecting the heightened scrutiny on campus safety measures. This case underscores the need for universities to strengthen their protocols and ensure a robust response to such incidents, which have far-reaching implications for their reputation and student safety.
The cross-border nature of the investigation, initiated by intelligence from German authorities, has added complexity to the case. It emphasizes the importance of international cooperation in tackling crimes that transcend national boundaries. Weng’s status as a foreign national further complicates the legal proceedings, potentially leading to diplomatic or immigration issues.
Community and Legal Ramifications
The allegations against Weng have sent shockwaves through the USC community and beyond. The potential for additional victims to come forward could expand the scope of the investigation significantly. If convicted, Weng faces a severe penalty, with a sentence of up to 25 years to life plus 56 years in state prison.
The case has drawn attention to the broader risks associated with drug-facilitated sexual assaults in university settings. It may prompt other institutions to reevaluate their safety protocols and reporting mechanisms. Moreover, the legal and societal impacts of this case could influence future policy changes and law enforcement collaborations across borders.
Sources:
USC Ph.D. Graduate Charged With Multiple Drug-Facilitated Sexual Assaults Since 2021
University of Southern California grad student charged with drugging and raping
USC grad student charged as serial predator
USC grad student accused of multiple date rapes
University of Southern California grad student charged with multiple rapes and drugging women














