Man Arrested In Fatal Shooting Of Security Guard At Crystal Pier

SAN DIEGO, CA — A man was arrested on suspicion of murder in connection with the fatal shooting of an unarmed security guard last month at Crystal Pier in Pacific Beach last, police said Wednesday.

Brian Mathew McColley, 49, was arrested Tuesday in El Cajon in connection with the Oct. 5 killing of Luis Alberto Quiroz-Arreola, 31, according to the San Diego Police Department.

Quiroz-Arreola was working as a security guard at Crystal Pier in the 4500 block of Ocean Boulevard when he was shot shortly after 2 a.m., police said.

During the investigation, homicide detectives identified McColley as a person of interest. He also had an outstanding arrest warrant for an unrelated offense, according to police.

Detectives located McColley about 4 p.m. Tuesday in the 300 block of Cedar Street in El Cajon and arrested him on the outstanding warrant. He was booked into San Diego Central Jail on suspicion of murder and the unrelated warrant.

The motive remains under investigation.

Anyone with information was asked to call the department's Homicide Unit at 619-531-2293 or San Diego County Crime Stoppers at 888-580-8477.