the dark knight

Now what caused this gifted, medical school, neuroscience Phd student to go crazy and kill the people at the dark knight movie screening? it is sooo sad. and what is going on with the students in  colorado? columbine shooting...now aurora shooting...and this movie dark knight and the joker character is linked to so many tragedies...like the sudden death of Heath Ledger...now this guy James Holmes claiming he is the joker...such a dark theme  that accompanies this movie...I never saw the one before, I dont want to watch this one either, i am going to be thinking too much about the people who died.

http://www.huffingtonpost.co.uk/2012/07/20/james-holmes-first-picture-aurora-batman-shooting-suspect-revealed-pictures_n_1689811.html?view=print