Lincoln Police have arrested a 40-year-old Texas man, after he allegedly held a 28-year-old man at gunpoint while accusing him of sleeping with his wife. Police Officer Katie Flood says it happened Monday night in the 2000 block of South 17th Street. McCullough turned himself into police, where he was arrested for terroristic threats and use of a weapon to commit a felony. The victim claims he does not know McCullough or his wife.