'Who do you really believe?': the true crime fans who became a part of the story
In HBO’s gripping new docuseries A Killer Story, a crusading couple become convinced that woman accused of murder is innocent

TL;DR
- Dana Chandler was convicted in 2012 for the 2002 murders of Mike Sisco and Karen Harkness, despite initial prosecutorial hesitation due to lack of evidence placing her at the scene.
- Filmmakers Matthew Galkin and Josh Levine investigated the case for six years, driven by skepticism of the legal outcomes and the influence of figures like Joe Sexton.
- Eileen and Keen Umbehr became central figures, dedicating their resources and time to proving Chandler's innocence, eventually leading to the overturning of her conviction.
- The documentary highlights the 'hit job' nature of the murders and questions the evidence used against Chandler, including her communication with Sisco and a fuel canister purchase.
- Chandler's third trial, where she represented herself, ended in her conviction again, despite questionable evidence and a manufactured witness.
- The series critiques the impact of true crime media like '48 Hours' and the role of local press in shaping public perception.
- The Umbehrs eventually cut ties with Chandler, viewing her decision to represent herself as a betrayal, leaving the filmmakers without a neat conclusion but with insights into the justice system.