Rescue personnel work at the scene of a train crash in Los Angeles, Friday, Sept. 12, 2008. A Metrolink commuter train believed to be carrying 220 people collided with a freight train Friday.
An injured passenger is removed from a train car following a collision between Union Pacific and Metrolink Amtrak trains on Friday, Sept. 12, 2008, in Chatsworth, Calif.
Rescue personnel work at the scene of a train crash near Los Angeles, Friday, Sept. 12, 2008. Federal officials investigating the collision that killed at least 26 people said they want to review cell phone records to determine if an engineer blamed for running a stop signal before the crash may have been text messaging at the time.
Firefighters and medical personnel help rescue the injured from a train crash in Los Angeles, Friday, Sept. 12, 2008. The commuter train carrying 220 people rolled past stop signals Friday and barreled head-on into a Union Pacific train in Chatsworth.
Rescue personnel work at the scene of a train crash in Los Angeles, Friday, Sept. 12, 2008. A Metrolink commuter train believed to be carrying 220 people collided with a freight train Friday. The accident, the nation's deadliest rail disaster in 15 years, left train cars so mangled that some bodies had to be removed in pieces.
Los Angeles City Fire Department firefighters and other local fire and rescue agencies work to free trapped victims from a Metrolink commuter train after a train crash in the Porter Ranch area of Los Angeles on Friday, Sept. 12, 2008.
Los Angeles firefighters treat a victim of a train accident in Los Angeles, Friday, Sept. 12, 2008. The Metrolink commuter train collided with a freight train Friday, killing at least 26 people.
Investigators photograph the mangled inside of a Metrolink commuter train in Chatsworth, Calif. on Sunday, Sept. 14, 2008. At least 26 people have been killed in the Friday collision of a Metrolink commuter train and a freight train in the San Fernando Valley.
Los Angeles County Sheriff Lee Baca, right foreground, briefs Gov. Arnold Schwarzenegger at the scene of the MetroLink crash site, Saturday, Sept. 13, 2008, in Chatsworth, Calif.
Rescue crews continue to work on the wreckage of a Metrolink commuter train, Saturday, Sept. 13, 2008 in Chatsworth, Calif. Emergency crews found more victims early Saturday in the mangled wreckage of a commuter train that smashed head-on into a freight train, By Monday, the death toll rose to 26 in the deadliest U.S. passenger train accident in 15 years.
A firefighter photographs the mangled remains of the Metrolink commuter train in Chatsworth, Calif. on Sept. 14, 2008. The NTSB confirmed on Sunday that the engineer of the commuter train, who was killed in the crash, had failed to stop at the final red signal. It is now reviewing cell phone records to determine if the engineer may have been text messaging at the time.
Kitty Higgins, of the NTSB, explains to the media the switch that controls the tracks at the site of the Metrolink commuter train and Union Pacific train collision during briefing on Sunday, Sept. 14, 2008, in Los Angeles.
Albert Cox, who was injured in a commuter train crash on Friday, attends a memorial service at Grace Brethren Church Sunday, Sept. 14, 2008, in Simi Valley, Calif. The train collided with a freight locomotive resulting in the death of at least 26 people.
A note and flowers are posted by a commuter named Jerry Romero to fellow commuters at the Simi Valley Amtrak train station Monday, Sept. 15, 2008, in Simi Valley, Calif. Commuters returned to the Metrolink Monday, after a deadly train collision on Friday in Chatsworth, Calif.