Las Vegas police are investigating a deadly shooting Monday morning in central Las Vegas. A man was found dead after 3 a.m. outside the Rancho Discount Mall at 2901 W. Washington Ave. The man had been shot once. He was pronounced dead at the scene. Police have blocked off the parking lot in front of the store while detectives investigate. At 5 a.m., the man’s body was still on scene, laying on the walkway near a shopping cart and a pile of blankets.