Los Angeles County, CA – The Los Angeles County Sheriff’s Department issued a second update today as detectives continue searching for an at-risk missing man last seen in mid-July. Authorities say they remain concerned for the well-being of David Michael Marchesano, who has been missing since July 15.
According to the Los Angeles County Sheriff’s Department, Marchesano was last seen on July 15, 2025, at 1:18 p.m. in the Lost Hills area. Detectives from the department’s Missing Persons Unit are asking the public for help locating him as the search enters its fourth month.
Officials have not released additional information about the circumstances surrounding his disappearance but emphasized that the case remains active. “Detectives are seeking assistance in locating the missing person,” LASD said in the latest update.
The Sheriff’s Department is urging anyone with information to contact the Los Angeles County Sheriff’s Homicide Bureau, Missing Person Unit at (323) 890-5500. Investigators remind the public that even small details—such as possible sightings, interactions, or security camera footage from the area around July 15—may help move the case forward.
Those who prefer to remain anonymous can provide tips through Crime Stoppers by calling (800) 222-TIPS (8477). Tips may also be submitted through the “P3 Tips” mobile app, available on both the Apple App Store and Google Play, or through the website http://lacrimestoppers.org.
Residents across Los Angeles County are encouraged to share the information, especially those in nearby communities such as Calabasas, Agoura Hills, and the surrounding Santa Monica Mountains corridor.
Community members with knowledge of the case are urged to contact authorities immediately.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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