My grandma had a radar detector, we were teasing her about it, and had her convinced that the reason they outlawed lead based paint for cars is because the lead in the paint shielded the car from radar. It was quite a hoot.
I wouldn't let him drive my car again till he showed appropriate remorse, paid his ticket, and paid for the increase in insurance that resulted. Second offense he wouldn't ever drive my car again. He can get his own car, and pay for his own insurance as well. Getting a radar detector tells...