Law enforcement officers work at the crime scene outside of Cascade Mall in Burlington, Wash., where several people were fatally shot on Friday, Sept. 23, 2016.
Law enforcement officers work at the crime scene outside of Cascade Mall in Burlington, Wash., where several people were fatally shot on Friday, Sept. 23, 2016. Dean Rutz AP
Law enforcement officers work at the crime scene outside of Cascade Mall in Burlington, Wash., where several people were fatally shot on Friday, Sept. 23, 2016. Dean Rutz AP