In 2018, a small-town murder in Minnesota shocks a community when 56-year-old wife, mother, and grandmother Lois Riess kills her husband David and goes on the run from the authorities. Years later, Lois sits down with the filmmakers telling her story for the first time. Lois herself attempts to explain her reprehensible actions which reveals a disturbing family history and an addiction to gambling. HBO Documentary Films presents I’M NOT A MONSTER: THE LOIS RIESS MURDERS. An Imagine Documentaries Production in association with Carr Lot Productions; directed and produced by Erin Lee Carr; produced by Isabel Evans; executive produced by Brian Grazer, Ron Howard, Sara Bernstein, Justin Wilkes, Meredith Kaulfers, and Ted Schillinger; co-executive produced by John Rosengren. For HBO: executive producers, Nancy Abraham, Lisa Heller, and Sara Rodriguez.