7:01 p.m. - A witness to the shooting, Megan Chadwick, told KIRO 7's Deedee Sun her husband said he saw an armed civilian take down the shooter. "He said he watched him (the shooter) take his last breath," Chadwick said. "There were three civilians going after him to shoot him and two of them had their guns up and then the third guy shot him through the window of the car." Chadwick said her husband was armed as well.