Bin Laden heard the shots below and peered around the staircase railing, NBC News reports. The Navy SEALs fired but missed, prompting bin Laden to flee to a bedroom.

Was bin Laden armed? Did he resist?

May 2: U.S. officials tell the Associated Press that the Navy SEALs who stormed bin Laden's compound shot and killed the al-Qaeda leader after they saw him appear to reach for a weapon.

May 3: White House press secretary Jay Carney says bin Laden "was not armed" but nonetheless "resisted."

May 5: According to uncredited U.S. officials, bin Laden reached for either an AK-47 or Makarov pistol lying in the room.