Law & Order: Special Victims Unit: Head

SYNOPSIS

A woman drops her cell phone in the toilet at a coffee house and finds a spy cam. Benson (Mariska Hargitay) and Stabler (Christopher Meloni) track the camera to a high tech shop and ask the techno geek, a woman named Charlie (Amy Sedaris), where they were installed. When the Detectives track down the man they think was the voyeur and go to his apartment, Charlie answers.