Pomona SWAT officer shot on duty

Chris Lewis, Pomona Police SWAT Officer Shaun Diamond’s partner, embraces his wife, Cynthia Lewis, as they join community members in a prayer vigil to honor Diamond.  (Marcus Yam / Los Angeles Times)

Chris Armijo, center, along with fellow EMTs from Schaefer Ambulance Service, light their candles before the start of a prayer vigil to honor Pomona Police SWAT Officer Shaun Diamond who died a day after being shot while on duty.  (Marcus Yam / Los Angeles Times)

David Martinez appeared in Los Angeles Superior Court, where his arraignment on capital murder charges in the shooting death of a Pomona police SWAT officer Shaun Diamond was postponed.  (Irfan Khan / Los Angeles Times)

Pomona Police Chief Paul Capraro, left, and Deputy Chief Michael Olivieri Jr. leave the coroner’s office after escorting the body of Pomona SWAT officer Shaun Diamond, who was fatally shot while serving a warrant in San Gabriel.  (Irfan Khan / Los Angeles Times)

Pomona police Officer David Sevesind holds the flag before placing it inside a SWAT vehicle outside the coroner’s office after escorting the body of SWAT officer Shaun Diamond on Wednesday.  (Irfan Khan / Los Angeles Times)

Bloodied safety gear lies on the road at the scene where a Pomona police SWAT officer was shot early Tuesday while assisting with a search warrant operation in San Gabriel.   (Irfan Khan / Los Angeles Times)

Los Angeles County sheriff’s deputies and other law enforcement investigators at the scene where a Pomona police SWAT officer was shot early Tuesday while assisting with a search warrant operation in San Gabriel.   (Irfan Khan / Los Angeles Times)

Los Angeles County sheriff’s department officers and other law enforcement investigators gather around the bloodied safety gear at the scene where a Pomona police SWAT officer was shot early Tuesday.   (Irfan Khan / Los Angeles Times)

Bloodied safety gear lies on the road at the scene where a Pomona police SWAT officer was shot early Tuesday.  (Irfan Khan / Los Angeles Times)

An unidentified man sits in a squad car as Los Angeles County sheriff’s deputies and other law enforcement officers investigate the shooting of a Pomona police SWAT officer early Tuesday.  (Irfan Khan / Los Angeles Times)