8 Things You Didn't Know About The Walking Dead
7 of 8 A sniper on the roof
The scene where Merle Dixon starts shooting off his gun on the roof top in season 1 caused a little bit of real-life chaos.
Some people did not know they were filming and thought the actor Michael Rooker was a sniper and called the police.
A real SWAT team actually showed up, no one was arrested.