In 1981, Kelly Cook took a job to babysit for someone named Bill Christensen. The 15-year old girl was never seen alive again. This episode includes an exclusive interview with the original target of "Bill Christensen". It's the first time she's ever spoken to a journalist.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.