UPDATE: Nov. 1, 2013 at 5:35
(AP) - A law enforcement official tells The Associated Press that the suspect in the Los Angeles airport shooting is a 23-year-old man from New Jersey who wrote a rant about killing Transportation Safety Administration workers.
A law enforcement official, who was briefed at LAX on the investigation but not authorized to speak publicly, said the gunman was wearing fatigues and carrying a bag containing a hand-written note that said he "wanted to kill TSA and pigs." The official requested anonymity because he was not authorized to speak publicly.
The official identified him as Paul Ciancia. A second law enforcement official confirmed the identity, speaking on condition of anonymity.
Authorities say the suspect killed a TSA employee in the shooting.
(CBS News) A gunman walked into Terminal 3 at Los Angeles International Airport Friday morning and opened fire at a security checkpoint, killing a Transportation Security Administration officer and wounding at least three other people, law enforcement sources tell CBS News.
The information was preliminary and could change as the incident is investigated.
Law enforcement sources tell CBS News the suspect is an off-duty TSA agent who was wounded in the incident but survived and is in custody.
Authorities believe the event is not widespread and is over.
The suspect entered the terminal carrying a rifle and wearing military-like clothing when he opened fire.
CBS News senior investigative producer Pat Milton reports that the suspect approached the checkpoint and shot a TSA officer, according to a law enforcement source.
Aerial video showed what appeared to be a TSA employee being wheeled away into an ambulance by police.
Several people were seen being treated by emergency responders outside the terminal, but it's unclear if they are gunshot victims.
Passenger Robert Perez told CBS Los Angeles that TSA agents came through the terminal and yelled that a man had a gun.
"I heard popping and everybody dropped to the ground," Perez said.
The airport announced on its Twitter feed that flight operations were temporarily held except for arriving flights.
Click here for the very latest on this developing story from CBS News.
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