Students fear for their lives in the fall of 2000 when Gallaudet University, a college for the deaf in Washington, D.C., becomes a killer's hunting ground. Detectives sift through the mystery and learn not everyone on campus is who they seem to be. This Week's Sponsors:  Liquid IV - Get 20% off when you go to liquidiv.com and use code THINK at checkout. Caraway - Visit carawayhome.com/THINKNOT and use code THINKNOT at checkout to get 10% off during their summer refresh event. Certain exclusions apply.  Apostrophe - Go to apostrophe.com/think and click get started, then use code THINK at sign up and you'll get your first visit for only $5!