Dateline: Secrets Uncovered (2017)

S13E11 A Monster at Large

In 1987, in Stephenville, TX, Susan Woods fails to report to work for two consecutive days. Her father finds her lifeless in the bathtub at home. As authorities investigate, they uncover a series of victims linked to Susan, including her estranged husband residing in Indianapolis. Despite their efforts, the mystery remains unsolved for nearly twenty years.