He was carrying a firearm that included part of a semi-automatic Anderson Manufacturing AM-15 (based on the AR-15) in a pistol configuration with a shortened barrel, chambered in. eyewitnesses reported that a man opened fire at the entrance of Ned Peppers Bar in the Oregon Historic District. he split from the two and was recorded leaving the bar.
Two hours before the shooting the gunman was seen entering a bar with his brother and a friend in the downtown Oregon Historic District of Dayton.