There was certainly something not quite right with Aurora gunman from the start. Gary Martin was an employee at Henry Pratt Company in Aurora. Martin was about to lose his job and opened fire Friday at the warehouse, killing five co-workers and wounding five police officers. Martin died in a shootout with police.
Details of Aurora gunman's past encounters with police show dark side. See story here. https://wgntv.com/2019/02/19/details-of-aurora-gunmans-past-encounters-with-police-show-dark-side/