Isle Vista killing spree

What happend?
http://www.keyt.com/news/shooting-in-isla-vista/26152454

who did it?
https://www.youtube.com/watch?v=sbv5Vpa-B-0

image: 1400930491854
image: 1400930542799

Statments:
[13:13] <openprom> lewl plenty faggot video he posted before =D

discuss