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William Chau, 59
El Monte, California
September 14, 2015

Agencies: Los Angeles County Sheriff's Department California LASD

Last updated: 9 months ago

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An El Monte man accused of killing his mother-in-law and wife then wounding his brother-in-law died Monday from his injuries.

Sheriff’s Homicide Detective Ray Lugo said William Chau, 59, was pronounced dead at 4:52 p.m. at Los Angeles County USC Medical Center.

An El Monte police officer shot Chau Sept. 9 after police saw him holding his injured wife, Lan Vuong, at knifepoint. Chau allegedly refused to drop the knife.