Man arrested after holding sign warning of police speed

Ron Martin recorded his own arrest by Frisco police as he stood in the median holding a sign saying "police ahead."

Cops say warning people wasn't the problem, it's the way he did it. Holding or posting a sign on public property is illegal in Frisco.

Martin says the arrest is a violation of his First Amendment rights. He says he's a doing a public service.

"You kind of nip it in the bud, slow people down," Martin said. "Obviously the sign has been very effective. Ultimately, we're doing the exact same thing; I'm just not wearing a police uniform."

Martin says he was fed up with the speed traps, but he hopes the charges will be dropped.

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