The state cops and Governor's security detail has way more firepower. The local yokel sheriff and Andy and Barney at the police station wouldn't DARE try and stop them.
Might makes right.
Go ahead and read this, then:
http://story.news.yahoo.com/news?tmpl=story&cid=2270&ncid=2270&e=1&u=/krwashbureau/20050326/ts_krwashbureau/_bc_braindamagedwoman_seize_exclusive_wa
Or just go to yahoo.
I guess they stopped em.