Murfreesboro Police Department (MPD) Criminal Investigations Division detectives arrest a man for stabbing and beating his father to death and injuring his mother on Wednesday, March 30. DeJahn Tyson, 21, has been charged with first-degree murder and attempted first-degree murder. He was taken into custody without incident at the crime scene. The Murfreesboro Emergency Communications … Continue reading Police arrest son for killing his father and injuring his mother; motive unclear