AP source: Rifle in Colo. theater shooting jammed

Associated Press
Firefighters walk to shade as temperatures near 100 degrees, Saturday, July 21, 2012, at the booby trapped apartment of James Eagen Holmes, who police have identified as the suspect in the deadly shooting at a crowded movie theater a day earlier, in Aurora, Colo. Holmes has been charged in the shooting that killed 12 people and injured dozens more. (AP Photo/Ed Andrieski)
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WASHINGTON (AP) — A federal law enforcement official says the semi-automatic assault rifle used in the deadly Colorado movie theater shooting jammed during the attack.

The official said late Saturday the rifle had a high-capacity ammunition magazine which, based on witness accounts and evidence collected at the scene, apparently jammed. The rifle's malfunction then forced the suspected shooter, James Holmes, to switch to another weapon.

The official spoke on condition of anonymity to discuss the investigation.

Aurora Police Chief Dan Oates has said a 100-round drum magazine was recovered at the scene of the shooting in suburban Denver. Oates said such a weapon was capable of firing 50 to 60 rounds a minute.

Police said Holmes also had two Glock pistols and a shotgun.

Holmes, a 24-year-old former graduate student, is in custody. The attack early Friday killed 12 people and wounded nearly 60 others.

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