Aurora, Colo., ‘Dark Knight’ shootings

Investigators said they believe the gunman acted alone and was armed with a shotgun, a rifle and two handguns during the attack. He offered no resistance when he was arrested, police said.

Witnesses said they were at first uncertain whether the action was connected to the movie. As people collapsed and the gunfire continued, however, they realized the attack was real.

Police initially said 14 people were killed in the attack, which began just after 12:30 a.m., about a half-hour into the movie. But they later revised that number to 12 — 10 of whom died at the theater and two who were taken to the hospital but succumbed to their wounds.

Authorities said others remain hospitalized in critical condition, and warned that the death toll could increase.

The shooting in the Denver suburb horrified the nation and immediately drew the attention of President Obama and former Massachusetts governor Mitt Romney, his GOP rival in the 2012 election.

Holmes lives in an apartment complex about five miles from the theater, authorities said, and indicated to police when he was taken into custody that there were explosives in his apartment. Police then went to the complex to check.

The Aurora police are leading the investigation, but the FBI and ATF are involved. FBI officials said there is no evidence that the shooting was linked to a terror group or part of a terror attack.

The first calls came to police around 12:39 a.m. The FBI alone had more than 100 agents on the scene by dawn, including bomb and evidence technicians.

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