LAX shooting suspect pleads not guilty

Published On: Dec 24 2013 01:21:45 PM CST   Updated On: Dec 27 2013 09:42:21 AM CST

The man accused of killing an airport security officer last month at Los Angeles International Airport pleaded not guilty Thursday to murdering a federal officer and to 10 other charges. Take a look back at what happened during the shooting.

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"I heard a popping sound, and everybody was diving for cover," Perez told KCAL. "The TSA said there was a shooting in the terminal and evacuate the building."

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