by Muncie, IN – A 65-year-old man has been arrested after allegedly killing his brother during an argument on the steps of an abandoned house, authorities said. Kris Stamper faces charges of voluntary manslaughter and aggravated battery, according to court documents filed in Delaware County.
The victim, Mark Stamper, was found dead on Nov. 7, 2025, at a property on the 1300 block of Liberty Street. Officers responded after receiving a report that a man had been discovered with significant blood at the scene.
Incident Overview
Court documents indicate that Kris and Mark Stamper frequently argued. Witnesses stated that the two had a troubled relationship and often fought. During the fatal confrontation, the brothers were reportedly arguing over money on the steps of an abandoned house.
“Mark had a bad relationship with Kris and they fight all the time,” a family member told investigators.
According to the documents, Kris Stamper mentioned a knife during the argument. Investigators later found that Mark had been lacerated with a sharp object. Kris told officers that he approached his brother and woke him up, but the conversation escalated into a wrestling match, during which Mark was pushed down the stairs.
Charges and Legal Context
- Voluntary Manslaughter (Level 2 felony): Acting under “sudden heat”; carries 10 to 30 years in prison and a $10,000 fine.
- Aggravated Battery – Posing Substantial Risk of Death (Level 3 felony): Carries 3 to 16 years in prison and a $10,000 fine.
During an interview, Kris Stamper denied intentionally harming his brother, though investigators later found Mark Stamper’s blood on Kris Stamper’s blue jeans.
Conclusion
Kris Stamper, 65, has been charged with voluntary manslaughter and aggravated battery after the death of his brother, Mark Stamper, in Muncie. Prosecutors say the incident stemmed from a longstanding, contentious relationship that escalated into a deadly confrontation.
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