It was devoted to impersonating underage people (generally ages 12–15) and detaining male adults who contacted them over the Internet for sexual liaisons.
As a medical diagnosis, pedophilia or paedophilia is a psychiatric disorder in persons 16 years of age or older typically characterized by a primary or exclusive sexual interest toward prepubescent children (generally age 11 years or younger, though specific diagnostic criteria for the disorder extends the cut-off point for prepubescence to age 13).
There surely are a lot of creepy people out there, and To Catch a Predator knows it. That is why in 2005, a suspect was captured twice in one day, first at the undercover house of the show, and then again less than 24 hours later at a McDonalds.
