Dateline: Secrets Uncovered (2017)

S10E44 She Didn't Come Home

For years, the fate of Kathy Heckel remained uncertain, leaving investigators puzzled over whether she was a missing person or a murder victim. As time passed, the case went cold until a new detective revisited the forgotten files decades later. Although the elusive suspect had evaded capture in the past, the detective was determined to crack the case and uncover the truth behind Kathy's disappearance.