start your day with the number one choice of dentists. philips sonicare removes significantly more plaque versus oral-b 7000. experience this amazing feel of clean. innovation and you. philips sonicare. save now when you buy philips sonicare. it's my first night embedding with the 22nd district police. tonight montanez is partnered with officer mathis, a veteran of the force for 17 years. every night before their shift they stop here to pick up their body cameras. how did you guys feel when you first heard that you'd be wearing cameras? >> i felt good. i mean, we try to do everything so that we're -- to act as though we're on camera anyway. so when they asked for volunteers we were a couple of the first ones to volunteer to wear them. >> i was a little skeptical at first. i didn't want to be responsible for another piece of equipment.