Yeah, this is why in my area, we don't even bother chasing crotch rockets; too dangerous, too maneuverable, too fast to really catch, and even if you do catch up your only real option is to pretty much attempt to murder them in order to stop them at all. Unless there's some underlying far more serious crime or they are actively trying to harm others, it's usually not worth it. I've actually had two experiences where a bike speeding wrecked after only a brief pursuit because they thought they still needed to run. Both were fatal crashes. One of em, the family tried to sue the state police for endangering their kid...