Services for slain Border Patrol agent

Hundreds gather Oct. 8 for the funeral of Border Patrol agent Nicholas Ivie in Sierra Vista, Ariz., including brother and fellow agent, Joel Ivie, left, his father and stepmother, Doug and Donetta Ivie.

Border Patrol agents flank the hearse carrying the body of Nicholas Ivie.

A mourner carries a funeral program.

Nicholas Ivie's horse is part of the funeral procession in Sierra Vista, Ariz. Ivie was shot and killed by friendly fire while on duty in the desert east of Bisbee.

A U.S. Border Guard honor guard yells out instructions during funeral services for agent Nicholas Ivie.

The funeral service procession for Nicholas Ivie heads toward a church in Sierra Vista, Ariz.

Christy Ivie, the wife of slain Border Patrol agent Nicholas Ivie, follows his casket during funeral services at The Church of Jesus Christ of Latter-day Saints meeting house in Sierra Vista, Ariz.

Border Patrol agents stand outside the Hatfield Funeral Home before a visitation for Nicholas Ivie in Sierra Vista, Ariz., on Oct. 7.

Agents patrol the border fence near where Nicholas Ivie was shot and killed while responding with two other agents to a report of a tripped sensor. The shooting was at about 1:30 a.m. Oct. 2, and authorities now say it was accidental.

Family members are greeted by scores of U.S. Border Patrol agents and other law enforcement officials before the visitation for Nicholas Ivie.

Family members arrive at the funeral home.

A Border Patrol agent holds the door open during a visitation for Nicholas Ivie in Sierra Vista, Ariz., on Oct. 7.

A boy carrying a stuffed bear attends the visitation Oct. 7.

Family members look out the front window at Hatfield Funeral Home during a visitation for slain U.S. Border Patrol agent Nicholas Ivie.

Two days after the shooting, Nicholas Ivie's family has an emotional press conference. Clockwise from bottom middle is his wife, Christy Ivie, her mother DeAnn Morris, her father Tracy Morris, her brother Travis, and her sister Jen in Sierra Vista, Ariz.

Lt. Floyd Gregory of the Cochise County Sheriff's Office stands Oct. 3 on the other side of a hill from where agent Nicholas Ivie was shot and killed near the U.S.-Mexican border a day earlier.