TV-14 | Someone they Knew with Tamron Hall | Season 2 | 2026
On Halloween morning 1999, the quiet in the Boston suburb of Wellesley was broken by the screams of Dirk Greineder when he found his wife, Mabel, brutally beaten in their neighborhood park. But when Greineder's account didn't fit with the evidence, investigators took a closer look into his life. What they found suggested he had plenty to hide.