Deputy Ryan Clinkunbroomer was shot and killed on September 16, 2023, in Palmdale, California. The 30-year-old, an eight-year veteran of the Los Angeles County Sheriff’s Department, was found unconscious inside his patrol vehicle near Sierra Highway and Avenue Q and later died at Antelope Valley Medical Center. He had recently become engaged.

In the days after the shooting investigators released surveillance video showing a dark-colored sedan believed to be a Toyota Corolla near the scene and asked the public for tips; a substantial reward was offered and local businesses and residents provided additional footage. On September 18, 2023, 29-year-old Kevin Cataneo Salazar was arrested after a standoff and charged with the murder of a peace officer with special circumstances. Vigils and memorials were held for Deputy Clinkunbroomer as the investigation and court proceedings continued.