Preview: Wanted: A Nancy Grace Investigation

A death row child killer, a murderous father-in-law, and a violent ex-Marine are on the run, but they are no match for Nancy Grace. Grace and her team of top experts are on the hunt for three of America's most wanted fugitives. Viewer discretion advised.

A death row child killer, a murderous father-in-law, and a violent ex-Marine are on the run, but they are no match for Nancy Grace. Grace and her team of top experts are on the hunt for three of America's most wanted fugitives. Viewer discretion advised.