Dateline: Secrets Uncovered (2017)

S10E15 Indiscretion

Title: Indiscretion Plot: The crime scene was chaotic and unsettling, marked by the number #1 written next to the victim's corpse. Although the boyfriend had a solid alibi, the investigation stalled. Just when hope seemed lost, a DNA match emerged. However, detectives were puzzled by the connection between two individuals living 1,500 miles apart.