# California Man Releases Poisoning Video to Dismiss Conviction

> David Xu, convicted of poisoning a Berkeley co-worker, shares hidden camera video as he seeks to dismiss his felony ruling.
- Title: California Man Releases Poisoning Video to Dismiss Conviction
- Summary: David Xu, convicted of poisoning a Berkeley co-worker, shares hidden camera video as he seeks to dismiss his felony ruling. David Xu, a chemical engineer…
- Keywords: david xu, berkeley, california, poisoning, hidden camera video, felony conviction, cadmium, alameda county court, news, local, Man, Releases
- Source: ABC7 New York — https://abc7ny.com/story/video-california-man-convicted-poisoning-worker-released-he-seeks-dismiss-ruling/19932364
- Published: 2026-10-12T16:00:59+00:00
- Read time: 1 min
- Topics: david xu, berkeley, california, poisoning, hidden camera video, felony conviction, cadmium, alameda county court, news, local
## Poisoning Video Released
A woman secretly poisoned by her co-worker at a berkeley engineering firm nearly 10 years ago now shares hidden camera video.
## David Xu Seeks Conviction Dismissal
David xu, convicted of poisoning her, will ask an alameda county judge to dismiss his felony conviction through expungement.
## Cadmium Poisoning Details
The video shows him tampering with her water bottle containing cadmium levels three-and-a-half-million times the federal drinking water limit.
## Key takeaway

David Xu, a chemical engineer convicted of poisoning a Berkeley co-worker with cadmium, released hidden camera video to request dismissal of his felony conviction.