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Keith Morrison reports on a dramatic undercover operation in Palm Beach, Fla., to save a wife and mother who has no idea she is in danger.
When Courtney Copeland is shot and killed, his mother investigates whether police detectives did enough to try to solve the case.
A district attorney in Pennsylvania went missing in 2005 under mysterious circumstances seven years after he investigated sex-abuse allegations made against Penn State football coach Jerry Sandusky.