Dateline: Secrets Uncovered

Season 9 Episode 27: A Killing in Cottonwood

Karen and Mark Duenas had a special marriage. Teenage sweethearts, the couple managed to keep the romance alive even after raising five boys together. Then a perfectly ordinary night ended in murder, a tragedy that would test the bonds of family.

Genre:

Crime, Documentary

Seasons:

17

Episodes:

386

Cast:

Quality:

HD

Duration:

43 min

First Air:

2017

Rating:

8.1