THIEF RIVER FALLS, MN (trfnews.i234.me) The cause of deaths in connection to a couple found deceased in Thief River Falls, Minnesota last month has been released. carbon monoxide poisoning has been determined as the cause of death of a couple in Thief River Falls on January 22nd this update now from Thief River Police who… Continue reading UPDATE: Authorities Release Cause of Deaths in Thief River Falls, Minnesota