https://www.rawstory.com/accidental-shooting/
"In the moments before the shooting took place, Ivey said, Walsh and Lawson had taken a break from playing an online game with a few of their friends," said the report. "The pair were 'just kind of standing around, talking,' Ivey said. 'Lawson was holding a handgun which he believed he had unloaded and at one point in their conversation Lawson — thinking that the gun was unloaded — jokingly pointed the gun in Austin’s direction and pulled the trigger.'"