Funeral service for Riverside Police Officer Michael Crain

Riverside police officers salute as the casket carrying slain Riverside Police Officer Michael Crain is carried to a memorial service at Riverside National Cemetery.  (Gina Ferazzi / Los Angeles Times)

The flag-draped casket of slain Riverside Police Officer Michael Crain lays before family, friends and fellow officers during a memorial service at Riverside National Cemetery.  (Gina Ferazzi / Los Angeles Times)

Riverside police officers salute as the Honor Guard folds the American flag over the casket of slain Riverside Police Officer Michael Crain.  (Gina Ferazzi / Los Angeles Times)

Riverside Police Chief Sergio Diaz presents the American flag to Officer Michael Crain’s widow, Regina, and daughter Kaitlyn, 4.  (Gina Ferazzi / Los Angeles Times)

Riverside Police Chief Sergio Diaz put his hand on the casket of slain Riverside Police Officer Michael Crain.  (Gina Ferazzi / Los Angeles Times)

Family members wipe tears during the memorial service for slain Riverside Police Officer Michael Crain. From left: mother Cindy Crain, wife Regina Crain, and daughter Kaitlyn.  (Gina Ferazzi / Los Angeles Times)

Riverside police officers salute as the casket of slain Riverside Police Officer Michael Crain is carried to a memorial service at Riverside National Cemetery.  (Gina Ferazzi / Los Angeles Times)

A hearse carrying the body of slain Riverside Police Officer Michael Crain passes by a detail of saluting law enforcement officers from Orange and Riverside counties during his funeral procession along Van Buren Boulevard en route to the Riverside National Cemetery.   (Robert Gauthier / Los Angeles Times)

Donald Gross, a Navy veteran, stands at attention as the funeral procession for slain Riverside Police Officer Michael Crain makes its way through the Riverside National Cemetery. Gross was one of hundreds of Patriot Guard motorcycle riders in attendance.  (Robert Gauthier / Los Angeles Times)

A Riverside County sheriff’s deputy stands at attention as the hearse and procession for Riverside Police Officer Michael Crain arrives at Grove Community Church.  (Don Bartletti / Los Angeles Times)

Law enforcement personnel stand outside Grove Community Church in Riverside and watch a video feed of the funeral for Officer Michael Crain.  (Don Bartletti / Los Angeles Times)

Travis Geiger, 11 gives the Cub Scout salute as the funeral procession for Riverside Police Officer Michael Crain passes along Grove Community Drive.   (Don Bartletti / Los Angeles Times)

Michelle Smith sits on her bike above Grove Community Church in Riverside and watches a large video screen showing the funeral for Officer Michael Crain.  (Don Bartletti / Los Angeles Times)

Security officers sit on the roof of Grove Community Church during the funeral for Officer Michael Crain.   (Don Bartletti / Los Angeles Times)

Jim and Lou Morrison watch the funeral procession for slain Riverside Police Officer Michael Crain make its way along Alessandro Avenue to The Grove Community Church.   (Robert Gauthier / Los Angeles Times)

The funeral procession for slain Riverside Police Officer Michael Crain makes its way along Alessandro Avenue to The Grove Community Church.  (Robert Gauthier / Los Angeles Times)

Ann Nunez of Riverside shows her support for slain Riverside Police Officer Michael Crain as she waits for his funeral procession along Alessandro Avenue.  (Robert Gauthier / Los Angeles Times)

Sue Davis watches passing law enforcement vehicles on their way to The Grove Community Church for slain Riverside Police Officer Michael Crain’s funeral.   (Robert Gauthier / Los Angeles Times)