..I'm a mix of these.
So meaningless, so much pain for those who lost someone close. It can happen anywhere at any time, but I don't want to spend my life being afraid of it to happen, just prepared that it might.
Personally I think it's a bad idea to release the video he took, as it might encourage other mentally disturbed people to do the same. Publicity is not always a good thing when it comes to these things..