Have you seen this standoff in CA?

http://interactive.foxnews.com/livestream/live.html?chanId=1

Apparently made a threat against the white house and had warrants out, they trapped him in. Been going on since 10am. It’s 5pm.

http://abclocal.go.com/kabc/story?section=news/local/los_angeles&id=6963640
http://cbs2.com/local/police.pursuit.westwood.2.1127179.html

How do the police handle these situations? What’s involved that it takes so long.