Changes

Chris Hansen is a reporter for NBC. He is best known for his sting operation exposing men trying to have sex with underage girls called ''To Catch a Predator'' on ''Dateline NBC''.

Chris Hansen is a reporter for NBC. He is best known for his sting operation exposing men trying to have sex with underage girls called ''To Catch a Predator'' on ''Dateline NBC''. He did this by collaborating with a group called Perverted Justice who provided the decoys, generally 18 year old actors playing girls younger than 18.