there should be pictures of 154 casings spread all around the rooms
The information detailed Thursday dispelled some earlier reports on what happened, Sedensky noted. Lanza wasn't wearing a bulletproof vest, for one. And besides the hallway, he fatally shot students and teachers in two classrooms, not three.
When police found Lanza's body -- killed by a single, self-inflicted shot from a Glock 10 mm handgun -- they also discovered that the Bushmaster rifle was loaded with 14 bullets in its 30-round capacity magazine, plus one round in a chamber.
This was one of 10 of this firearm's 30-round capacity magazines at the scene, Sedensky explained. More ammunition for the Glock and a Sig Sauer P226 9 mm handgun was also found.
Three such magazines still contained 30 rounds. There were six more magazines nearby -- three of them were empty, while the others had 10, 11 or 13 live rounds in them.
"One-hundred-and-fifty-four spent .223 casings were recovered from the scene," the state's attorney wrote, indicating that Lanza had fired at least that many bullets from what Connecticut authorities had described as an "assault-type rifle."
A lot of bullets fired in not a lot of time. Sedensky said, "It is currently estimated that the time from when the shooter shot his way into the school until he took his own life was less than five minutes."