It was the worst mass shooting in U.S. history, and now we know exactly how it happened.
[Image via AP Images.]
DAIR drama already!?! What!?!!
Ugh… Gossip Girl!! You're killin' us!!
Why is Blair Waldorf being so shady all of a sudden???
Why does Dan Humphrey look even seXXXier these days???
Find out (above) and PRESS PLAY!!!