Memorial service for Ventura County Sheriff’s Sgt. Ron Helus

Karen Helus, wife of Ventura County Sheriff’s Sgt. Ron Helus, holds onto Ventura County Sheriff Bill Ayub, right, as they follow the casket after the memorial service.

Billy Ray Cyrus sings during the memorial service for Sgt. Ron Helus.

The procession for Sgt. Ron Helus heads to a cemetery in Westlake Village.

Gov.-elect Gavin Newsom, left, Los Angeles Mayor Eric Garcetti and Rep. Julia Brownley talk to Jason Coffman, father of Cody Coffman, 22, one of the 12 people killed by a gunman last week, before a memorial service for Ventura County Sheriff’s Sgt. Ron Helus.

Law enforcement members arrive at Calvary Community Church in Westlake Village for the memorial service.

People pay their respects to Sgt. Ron Helus as the hearse carrying his casket passes by in Westlake Village.

Officers from several agencies fill Calvary Community Church.

Sheriff’s deputies salute as a hearse drives into the entrance to the Calvary Community Church in Westlake Village.

Officers stand at attention during Thursday’s service for Sgt. Ron Helus.

A photo of Sgt. Ron Helus and his wife, Karen, was displayed during the memorial service.

Ventura County Sheriff Bill Ayub addresses the crowd at the memorial service.

The casket of Sgt. Ron Helus is carried out after the memorial service.

The casket is carried out after the memorial service.

Members of the Rolling Thunder and Patriot Guard Riders hold the American flag as the hearse of Ventura Sgt. Ron Helus pases by at Pierce Brothers Cemetary in Westlake Village.

Officer B. Gregory, center, and other members of the Ventura Police Department stand at the entrance to the Calvary Community Church in Westlake Village on Thursday before the memorial services for Sgt. Ron Helus.

Ventura County firefighter Mike Fuller helps unfurl an American flag outside Calvary Community Church in Westlake Village before the memorial service for Ventura County Sheriff’s Sgt. Ron Helus.

An American flag hangs from a fire truck ladder outside Calvary Community Church in Westlake Village before the memorial service for sheriff’s Sgt. Ron Helus.

Peace officers in dress uniform approach the Calvary Community Church in Westlake Village.

The hearse carrying sheriff’s Sgt. Ron Helus arrives at the Calvary Community Church in Westlake Village.