Killer on the Res Murder in the Heartland : Season 5 Episode 7
TV-14 (self-applied) Investigation Discovery 42m
Aired: March 15th, 2023 @ 9:00 PM EST on Investigation Discovery
When someone stabs Trina Langenbrunner to death and leaves her on a road in Cloquet, Minn., her family, community, and law enforcement work together for over 12 years to find her killer.
