The full story is starting to come out. Ross the Reporter made a complete jackass out of himself while "going after a story" and repeatedly harassed Bachmann. Finally, when he rushed her vehicle, her security team decided enough was enough. They didn't know this douchebag from Adam and probably had visions of Jared Lee Loughner on their mind.
Oh, look. Brian Ross is the asshat who pushed the "pray the gay away" "investigation." Just desserts.