Update July 15, 2023 -- The person of interest, Steven Calhoun, 39, of San Diego was arrested today and charged with murder.

East County News Service 

July 14, 2023 (La Mesa) – La Mesa Police Dept. seeks public help to identify a man seen arguing with a man who was fatally stabbed a short time later last night around 8:40 p.m. at the trolley station at 7255 Alvarado Road near 70th Street.

Surveillance video showed the victim in an altercation with another man who left the scene walking westbound on  Alvarado Rd.  He is described as a male in his late-20s or early 30s with a dark complexion. He was wearing a light blue Chargers baseball cap, dark blue jeans, white t-shirt with black print, and a blue short-sleeve button-up shirt with a floral pattern. He was carrying a skateboard and at one point had a red facemask covering his nose and mouth.