Ex-Boyfriend Charged in Stalking, Shooting Death of Pennsylvania Woman

Authorities say Yuan Yuan Lu was killed by her ex-boyfriend Yujun Ren, who turned himself in after the alleged attack.

Published on Feb. 11, 2026

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A 32-year-old Philadelphia man named Yujun Ren has been charged with criminal homicide, possession of an instrument of crime, and stalking after allegedly stalking his ex-girlfriend Yuan Yuan Lu and fatally shooting her in her car. The district attorney's office said the "investigation revealed a chilling course of conduct" where Lu had recently reported a sexual assault by Ren and tried to end their relationship, but Ren allegedly followed and shot her the next day.

Why it matters

This tragic case highlights the lethal nature of domestic violence and the importance of victims seeking help from authorities, even when they fear for their safety. Lu's family says she had recently found the courage to report the abuse to police, but was killed shortly after. Her death is a sobering reminder of the risks victims face when trying to leave abusive relationships.

The details

According to authorities, on February 7, Lu reported a sexual assault by Ren and tried to end their relationship. The next morning, Ren allegedly followed Lu's car into Bristol Township and Levittown, where he shot and killed her. Ren then turned himself in to police, leading them to Lu's body. Ren's attorney did not immediately comment.

  • On February 7, Lu reported a sexual assault by Ren and tried to end their relationship.
  • On February 8, Ren allegedly followed and shot Lu to death in her car.

The players

Yujun Ren

A 32-year-old Philadelphia man who has been charged with criminal homicide, possession of an instrument of crime, and stalking in the death of his ex-girlfriend Yuan Yuan Lu.

Yuan Yuan Lu

A Pennsylvania woman who was allegedly stalked and killed by her ex-boyfriend Yujun Ren after she tried to end their relationship and reported a sexual assault by him.

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What they’re saying

“Today's tragic event is a sobering reminder of the lethal nature of domestic violence. We are committed to seeking justice for the victim.”

— Joe Khan, Bucks County District Attorney

“Yuan Yuan had been in an abusive relationship and lived in constant fear for her life. She only recently found the courage to open up to friends and family about what she was experiencing and went to the police seeking help. Tragically, everything she feared came true, her ex-boyfriend continued to stalk her, and her life was taken within 12 hours of the police report.”

— Natalie Truong, Yuan Yuan Lu's cousin (GoFundMe)

What’s next

Ren is due in court for a preliminary hearing on March 25.

The takeaway

This case underscores the critical need for better support and protection for victims of domestic violence who take the brave step of reporting abuse, as well as the urgency of addressing the lethal risks they face when trying to leave an abusive relationship.