MUSKOGEE, Oklahoma -- Investigators in Muskogee believe a 51-year-old man was stabbed to death with a pocket knife.
Paul Granofsky's body was discovered around 3 a.m. Friday morning.
His roommate, Teresa Patrick, who called 911, was also injured and taken to the hospital. She was later arrested for second-degree murder.
Police say they've responded to several domestic violence calls at the apartment in the past.