No lights on a bike puts no one in jeopardy but the rider and his right not to ride with one. If the cop was a good person, he would buy him one with all his government funds if he really cared about public safety. $10-15 bucks for a basic light. They really do not have a job, and must terrorize in order to justify their job's by attacking the weakest and instigating instead of going after real criminals.