CA-Sizhe "Steven" Weng, 30, Chinese national, USC grad, accused of serial rapes/drugging women, California, 2021- '25,*investigation includes Germany*

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Richard Winton October 15, 2025 rbbm

USC grad student accused of serial rapes, drugging women in Southern California

LAPD police began investigating the student in January after German authorities reached out pertaining a similar investigation in Europe involving a Chinese national who they learned was a student living in Los Angeles for several years.

www.yahoo.com

''Sizhe "Steven" Weng has been charged with drugging and raping women between 2021 and 2024 while enrolled as a doctoral student at USC. (Richard Winton / Los Angeles Times)
''A USC graduate student is accused of being a serial sexual predator, using drugs to rape and assault multiple women, and authorities are looking for additional victims, Los Angeles police announced Wednesday.

Sizhe Weng, 30, is being held without bail after being arrested and charged with eight felony counts involving drug-facilitated sexual assaults of young women he met since beginning his graduate studies in 2021.

Deputy Chief Alan Hamilton said at a news conference that the Los Angeles Police Department began investigating Weng in January after German authorities reached out about a similar investigation in Europe involving a Chinese national who they learned was a student living in Los Angeles for several years. Eventually, the information gathered by LAPD and German authorities led to detectives serving a search warrant at Weng's home in South L.A. near the USC campus, Hamilton said.''

 

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USC Ph.D. student, described as serial rapist, charged with drugging and sexually assaulting women

Sizhe Weng, a 30-year-old Chinese national, is accused of raping three women after putting drugs into their food or drinks and incapacitating them.

www.nbclosangeles.com

'As Weng's LinkedIn page showed that he was a teaching assistant at USC, he may have come in contact with more "younger women."
Detectives are also considering the possibility that Weng traveled outside the USC area to commit similar acts.
While LA officials were alerted by German police about drug-induced sex assaults, Weng is not believed to be involved in drug trafficking. '

Oct 16, 2025
The Los Angeles Police Department is asking for the public’s help in identifying additional victims of a University of Southern California grad student who is accused of drugging and sexually assaulting women. Rick Chambers reports Oct. 15, 2025.
rbbm

USC doctoral student charged with allegedly drugging, assaulting multiple women

Los Angeles County DA Nathan Hochman believes there may be more victims and encourages them to come forward.

www.cbsnews.com

''Los Angeles County District Attorney Nathan Hochman announced on Wednesday that his office charged 30-year-old Sizhe Weng, also known as Steven Weng, for allegedly "placing incapacitating drugs" in the food and drinks of three women and then sexually assaulting them.

Weng is charged with one felony count of forcible rape, two felony counts of sodomy by controlled substance or anesthesia, one felony count of rape by controlled substance and four felony counts of sexual penetration by controlled substance or anesthesia''.
"We urge additional victims, whether you live locally or abroad, to contact the LAPD's Robbery-Homicide Division to report any suspected crimes," Hochman said.''

'Weng was arraigned on Sept. 2 and pleaded not guilty to all charges. The judge granted prosecutors' request to hold him without bail.
If Weng is convicted on all charges, he faces 25 years to life plus 56 years in state prison and would be required to register as a sex offender for life, according to the DA's office.
His next court date is scheduled for Jan. 14, 2026.'

 

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Noting, not to be confused with this Chinese national suspect accused of similar attacks in Germany..
June 17, 2025

Man in Germany charged with serial rape after drugging victims

German prosecutors have charged a 43-year-old Chinese national with 22 offences, including attempted murder and aggravated rape after drugging victims, in some cases involving women he knew, prosecutors said on Tuesday.

www.reuters.com

''BERLIN, June 17 (Reuters) - German prosecutors have charged a 43-year-old Chinese national with 22 offences, including attempted murder and aggravated rape after drugging victims, in some cases involving women he knew, prosecutors said on Tuesday.
The accused, who was not identified, is suspected of sedating women with sleeping pills and raping them in eight cases. Some victims knew the defendant and were unaware of what was happening, prosecutors in Frankfurt said.''