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LASD - Lancaster Station, Los Angeles County Sheriff
Sunday January 6th, 2019 :: 06:27 p.m. PST


**UPDATE FOUND** Critical Missing Teen, Brock Matheson, MW/15 last seen in Lake LA. Diagnosed with Autism & mental capacity of child.

Lancaster Station detectives need your help locating Brock Matheson. Brock is a 15 year old, white male, diagnosed with Autism and a mental capacity of a child. He is about 6’3” and weighs 220 lbs. He has brown hair and blue eyes. He was last seen earlier today at 4:30pm at Sorensen Park in Lake LA and frequents the park, “M&G Burgers” and other nearby businesses.

With the cold weather and rain upon us, we need your help locating Brock right away. If you see anyone matching his description, please call our station at (661) 948-8466.


Anyone with information about this incident is encouraged to contact the Los Angeles County Sheriff's Department's Lancaster Station at (661) 948-8466. 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 MOBILE APP” on Google play or the App Store, or by using the website


Lancaster Sheriff’s Station polices the City of Lancaster, Antelope Valley College in Lancaster, and the unincorporated communities of Antelope Acres, Lake Los Angeles, and Quartz Hill in the Antelope Valley.


Ali Villalobos

Lancaster Sheriff’s Station

Los Angeles County Sheriff’s Department

501 W Lancaster Boulevard

Lancaster, CA 93534

(661) 948-8466


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Instagram: @lanlasd


LASD - Lancaster Station, Los Angeles County Sheriff
501 W Lancaster Blvd
Lancaster, CA 93534

Emergency: 9-1-1
Non-emergencies: 661-948-8466

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