The Los Angeles County Sheriff’s Department (LASD) is asking for the public’s help in locating missing person Austin Boyd Kirby, a Spokane County, Washington resident who was last seen in Castaic, California.

He is a 31-year-old White adult who was last seen in Castaic between January 19, 2026, and January 20, 2026. He may be trying to return home to Spokane, Washington.

Kirby is 6’03” tall, 160 lbs. with brown hair and brown eyes. He was last seen wearing a black coat and jogging pants.

Kirby has a mental health condition and there is concern for his well-being.

Anyone with information about this incident is encouraged to contact the Los Angeles County Sheriff’s Department’s Missing Persons Unit at (323) 890-5500.

If you prefer to provide information anonymously, you may call “Crime Stoppers” by dialing (800) 222-TIPS (8477), use your smartphone by downloading the “P3 Tips” Mobile APP on Google play or the Apple App Store or by using the website.

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