Victim Releases Spy-Cam Footage as Poisoner Seeks Felony Expungement
Rong Yuan, a former Berkeley engineer, has released hidden-camera footage showing coworker David Xu poisoning her water with cadmium. She disclosed the video as Xu petitions an Alameda County judge to expunge his felony conviction. Although Xu completed his probation, California law generally requires judges to grant expungement if probation conditions are met, though the district attorney has objected. Yuan argues the legal system failed her due to lenient sentencing and inadequate restitution, citing severe long-term health impacts and the death of her father.