 New details released regarding the shooting in Yellowstone National Park in the KPVI newsroom. I'm Deanne Coffin. On July 4th, law enforcement rangers confronted Samson Fusner, who was shooting a semi-automatic rifle toward a dining facility at Canyon Village. Officials say a woman had been held against her will by Fusner, who threatened to kill her. She said he also threatened to kill others through a mass shooting at July 4th.