Police reveal new details and seek people to come forward in unsolved 2017 homicide case of businessman Brian Nelson, robbed and stabbed to death inside his home, behind doors with new deadbolt locks and with his 'inside pet' Dodo chained up outside.
Timely medical attention could have saved Kari Petrich's life, a criminal complaint said, but Eric Jarvis allegedly spent hours cleaning up the crime scene before calling 911.
A seemingly happy family ended in tragedy after the father bludgeoned his wife to death, suffocated his 9-year- and 22-month-old children, lit his house on fire and then hanged himself 38 years ago.
As viewers rush to binge-watch 'Conversations with a Killer: The John Wayne Gacy Tapes' Netflix’s latest true crime series on John Wayne Gacy, Minnesotans are reminded that two of the Killer Clown’s victims called Minnesota home.
The Mathis case, the trial and the questions that remain to this day are the subject of a new book, "South Dakota's Mathis Murders: Horror in the Heartland" by long-time South Dakota journalist Noel Hamiel. The book is available to purchase on Monday.