A stabbing at a Lincoln group home Sunday night has put one man in the hospital and another behind bars. Police Sargeant Valerie Kinghorn told us that it happened just after 7:30. Two men were allegedly fighting over money and the argument escalated. 56-year-old resident Marvin Mason was arrested for stabbing the 49-year-old male in the stomach. The victim was taken to the hospital. His condition is unknown.