Originally Posted by Smiziley

Cops don't need probable cause to pull someone over. They need reasonable suspicion.
Being in an area known for drug activity at night on a bike would be enough reasonable suspicion to warrant an officer pulling someone over to find out if anything was going on. Nothing was, so no arrest. Yes, the officer bluffed, get over it.
If there were police to police the police who would police the police who police the police? And people complain about wasteful government now...