The documentary, "Bloodbath in Brno: The Harok Family Massacre," recounts the horrific 2013 murders of the Harok family in the Czech Republic. Kevin Dalgreen, a distant cousin of the family, was visiting from the United States when he brutally murdered Veronica, Martin, Phillip, and David Harok. The film details the events leading up to the massacre, including Dalgreen's troubled past, his deteriorating mental health, and his strained relationship with the Harok family. It explores the investigation, Dalgreen's escape to the United States, and his eventual arrest and extradition back to the Czech Republic. The documentary highlights the devastating impact of the tragedy on the community and raises questions about the underlying causes of such violence, including the potential role of untreated mental illness.