Was the chopper CPD or VA State Police? I’d be surprised if CPD had a chopper.
My understanding from a post here was that the chopper was there as part of Gov. McAuliffe’s (D) security detail.
Yes, state police:
http://www.freerepublic.com/focus/f-news/3576654/posts
Yes, State, someone posted they were tailing his motorcade. Initially.