They cannot lawfully bust your door down in a random search for a suspect.
They can if it is not random. If they have reason to believe the guy is inside and is going to commit a crime they can bust in. It's called exigent circumstances. It has always been legal.
1,255 posted on 04/19/2013 8:05:13 AM PDT by Straight Vermonter
(Posting from deep behind the Maple Curtain)