Woman in Rochester, NH Randomly Punched 39 Times in Parking Lot [VIDEO]

Rochester, NH police need your help catching a man who punched a woman 39 times in the parking lot of Planet Fitness all caught on camera...

The incident was all caught on surveillance video at the Planet Fitness on Main Street. The whole video is disturbing, and Rochester police released just 15 seconds.

Please help catch whoever did this! How unbelievably scary...