Dateline NBC: Toxic

NBC News NBC News 1/15/21 - Episode Page

In this Dateline classic, Kevin and Morgan Mengel were happy at first, but when the marriage went bad, he went missing. Police wondered if he simply left, but a family’s relentless pursuit lead to a stunning confrontation and, eventually, the truth. Hoda Kotb reports. Originally aired on NBC December 27, 2013.