Ratter ( Also Known As: Webcam) is a Drama Horror Thriller film directed and written by Branden Kramer. It released on 12 February 2016 (USA) . The film stars Ashley Benson, Matt McGorry, Kaili Vernoff . Emma, a graduate student living alone in NYC, is being watched by a stalker who hacks into the technology that surrounds her - laptop, cell phone, and other web connected devices.