for us. >> i pulled you over because you flashed me. i didn't even have my brights on. >> reporter: watch this police body camera video. 17-year-old devin gilford on his way to his girlfriend's house in february. sergeant frost pulling him over for flashing his brights. >> proof of insurance. driver's license, register, proof of insurance, please. >> i don't even know you're an officer. >> reporter: sergeant frost asks several times for his license. he refuses, questioning why he was stopped. >> are you being detained? >> yes, are you. >> for what crime? >> you flash med with your high beams. >> you had your brights on, sir. >> reporter: he begins recording their interaction on his cell phone. >> you can comply with this traffic stop or taken to jail. >> reporter: the officer calls for backup. as the situation escalates. >> you do not have your driver's license on your person, correct? >> yes, do i. >> where is it? >> you do not have to see it. i cannot see -- you had your