Dateline: Secrets Uncovered (2017)

S09E21 Vendetta

Title: Vendetta Plot: Mark Hasse, a respected prosecutor with a reputation for bravery, dedicated himself to locking up criminals, which naturally earned him some adversaries along the way. Little did he realize that a sinister figure was watching him, with plans that extended beyond just Mark. As threats loomed closer, it became clear that he wasn’t the sole focus of this ruthless killer’s vendetta.