The bystander in the Las Vegas Walmart:"After the Millers shot the officers, they fled to a Walmart where Jerad Miller allegedly fired one round and told everyone to get out.Wilcox, who was in the store and who was carrying a concealed weapon, moved to confront the shooter. But he didn't realize Jerad Miller was not alone.Authorities say Amanda Miller shot Wilcox, killing him."Joseph died attempting to protect others. His death is completely senseless," Sheriff Gillespie told reporters.Wilcox's sister, CJ Foster, said her brother was pro-gun and believed guns don't kill people -- people kill people""He did a very brave thing and I'm very proud of him. I'm proud to call him my brother," she said.Jeremy Tanner, a friend, was with Wilcox at the Walmart before the shooting started."Joseph had the option to go left and exit the store to safety, but he instead went into the store and chased after the gunman," he told CNN. "I wanted to tell him: 'Don't do this. Come with me.' But I also felt that he's possibly going to be saving some lives."
