1. In most cases no. One of the few ways you could still get
pulled over, is if he radio's ahead to someone else.
Vixen
2. You could still be caught but, unless you endangered other
road users, the police would probably not bother. Photographic
evidence is widely used in UK for traffic violations and many road
junctions are monitored by CCTV. Police patrol cars also are
commonly fitted with cameras. These cameras are usually fed into
automatic number plate recognition, through which the owner of the
car can be easily traced -- so they don't need to chase you.-
Mukalla