MSNBC Dateline Extra December 16, 2019 05:42:00
Welcome back. nearly three years after gavin smith's disappearance, john creech was charged with his murder. police believe john carried out the rage-fueled killing as revenge for gavin's affair with john's wife chandy. several of john's associates admitted they helped john hide evidence. but investigators did not think they had the whole story just yet. and there was one person who could give it to them directly. so they figured out a way to get it. once again, here's keith morrison. >> reporter: detectives john o'brien and ty labbe had a problem. an important witness who wouldn't talk. chand...