A Killer Story (2026) — HBO Original · True Crime

One woman's obsession. One cold case. One truth no one wanted to find.

Investigative journalist Joe Sexton receives thousands of emails from a homemaker turned citizen sleuth. Eileen Umbehr and her husband Keen are convinced that Dana Chandler—accused of killing her ex-husband and his girlfriend—didn't do it. They've given their lives to proving it.

Her case became their obsession.