It was the worst mass shooting in U.S. history, and now we know exactly how it happened.
[Image via AP Images.]
How awesome is this??
Have you been missing out on How I Met Your Mother? Don't worry, you can catch up on the entire show in under sixty seconds!
Neil Patrick Harris totally kills this monologue from the show itself, recapping it's past million seasons!
We wonder if he'll do it again at the end of the series… We'll just have to wait to find out!