. >> cory mcdonagh was sentenced to three years probation and 20 days on the work squad after pleading guilty to misdemeanor reckless driving. he'll also have to put in 40 hours of public service, pay a fine of $500 either take a safety course or sell his motorcycle. >>> officers wear them to record your every move. now santa rosa police are the latest bay area department to test out body worn cameras. ktvu's paul chambers spent the day looking at those cameras and which other police departments already use them. >> reporter: it's a growing trend in the bay area, officers recording your of move. >> keeps you on your best behavior. it's a great evidence tool for prosecuting. >> reporter: the walnut creek police sergeant started testing his camera a few months ago. >> when we respond to a scene and the scene is dynamic, it's there ready to go. >> reporter: a flip of the switch and the camera is recording your interaction with the officer. of the three largest bay area police departments oakland is the only one who said all field personnel are using them. most departments in the bay area

. >> reporter: to cory mcdunn that's surprise -- mcdonagh's surprise chp units showed up seconds laterding him to a courtroom today. >> it was so reckless not only did he put his own life in danger, he put the life of innocent drivers on the freeway in danger as well. >> i was just trying to go fast, do some wheelies, show off a bit. >> reporter: only because no one was hurt, mcdonagh faced a misdemeanor resulting in no jail, three years probation, 20 days on the sheriff's work squad, 40 hours of public service and a $500 fine. >> it was less than i thought it would be by far. the cash amount is way less than i thought it would be. i don't have to do jail time i don't think, so that's a plus and i was definitely happy with how it came out. >> reporter: one other issue. >> either take the motorcycle safety class or sell his motorcycle. >> i'll probably end up selling the bike. there's this bike i want that's a little bit faster, so i'm going to sell it, get that bike. >> reporter: you decide if he gets it. are you sorry you did it now? >> cashwise, yeah, but i mean i love riding. >> rep