There are too few facts confirmed to draw any conclusions.<quoted text>
He was in his 20's, had a child at the school. Probably some custody issue, people go crazy around holidays, it's awful. They have guns and want to take their frustrations out on the world, instead of just killing themselves. At least this killer was shot dead, they should have done that to the Batman killer.
Your sentiment on the theater killer is understandable, but giving the police the power to execute suspects on the spot is dangerous.
The latest rumor is far different than your scenario above, but no point in repeating it.