Irvine Police Department Press Release

1 Civic Center Plaza
Irvine, CA 92606



Karie Davies

UPDATE: Irvine Police Investigating Murder-Suicide

Update: Irvine, Calif. (December 14, 2022) – The Irvine Police Department (IPD) has worked in partnership with the Orange County Sheriff-Coroner’s Division to confirm the identities of the decedents. The victim is Thao Thai Nguyen, 77, of Irvine. The suspect is Andrew Nguyen Doan, 36, of Irvine. Andrew Doan is the son of Thao Nguyen.

The investigation has determined Doan picked up Nguyen and threw her off the landing of a multi-story building. Doan then jumped from the same landing to his death.

IPD has record of contacting Doan multiple times in the past. The last call for service involving mental health concerns was in 2019. He is a former UCI student and last attended the school in 2019. This case is being investigated as a murder-suicide and the motive remains under investigation.

Irvine, Calif. (December 13, 2022) – The Irvine Police Department (IPD) responded to assist the University of California, Irvine Police Department (UCIPD) with a death investigation.

Today at approximately 3:52 p.m., UCIPD responded to 214 Pereira Drive (Social Science Plaza B) after receiving 9-1-1 calls about subjects on the ground outside a multi-story building. Upon arrival, officers discovered a man and woman deceased. Detectives discovered evidence suggesting this incident is a murder-suicide. Preliminary investigation determined the decedents may be related. The names of the involved parties are not being released pending notification of next of kin.

We believe this to be an isolated incident and there is no known danger to the community.

The investigation into this case is ongoing. Anyone with information is asked to contact Irvine Police Detective John Sanders at 949-724-7233 or email