Ryan Castellanos was 18 when he was found fatally shot on October 29, 2021, in North Hills, Los Angeles. LAPD officers responding to a call on Orion Avenue located Castellanos suffering from multiple gunshot wounds; Los Angeles Fire Department paramedics pronounced him dead at the scene.

Investigators say a compact sedan was seen fleeing the area soon after the shooting, and the LAPD Valley Bureau Homicide detectives are asking the public for help identifying the vehicle and any suspect or witnesses. No arrests have been announced and the suspect or suspects remain at large.

Anyone who saw activity on Orion Avenue that night or has information about the compact sedan is asked to contact investigators.