Motive in deadly SDPD officer shooting remains unclear, source says

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SAN DIEGO – San Diego police Chief Shelley Zimmerman and investigators have viewed the body camera video to learn how one police officer was killed and another left in the hospital, according to a police source.

Police sources told FOX 5 Sunday despite watching the body camera video -- the motive behind the shooting is still unclear.

Officer Jonathan De Guzman (l) and Officer Wade Irwin (r)

Officer Jonathan De Guzman (l) and Officer Wade Irwin (r)

Jonathan "JD" De Guzman and Officer Wade Irwin were allegedly shot by Jesse Michael Gomez, 52, late Thursday night in Southcrest as they attempted a field stop.

Patrol officers responding to the gang officers' emergency call for backup found them suffering from gunshot wounds to their upper bodies. De Guzman, 43, and Irwin, 32, were rushed to hospitals. De Guzman, a 16-year SDPD veteran, was pronounced dead later in the night.

Irwin, who has been with the department for nine years, underwent surgery Friday and was recovering at UC San Diego Medical Center in Hillcrest. He is expected to make a full recovery and is anxious to get back on the job, according to Zimmerman.

Detectives and forensic experts spent nearly 22 hours on scene collecting evidence after the shooting in the Shelltown neighborhood.

Sources also confirmed the accused gunman – Gomez was shot by police in the upper body before being arrested. He remains in the hospital guarded by security.

Authorities have not released if Gomez was in a car or walking nearby when the two officers approached him.

A second potential suspect - Michael Cassani - was released from jail Saturday after being booked on outstanding drug warrant.

Families Mourn Fallen Officer

Dozens of people gathered Sunday night at Wisteria Park in Chula Vista for a vigil put on by the families and staff of Heritage Park Elementary School. They shared memories of SDPD officer Jonathan "JD" De Guzman who was gunned down Thursday night.

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