Updated: Matthew Riehl Case and Red Flag Laws

This segment features an exclusive interview with the the mother of Matthew Riehl, the mentally ill gunman who killed a Douglas County sheriff deputy and wounded four law enforcement officers and two civilians in a shootout on New Year’s Eve 2017. The gunman's mother and the Douglas County sheriff say both Matthew Riehl and Deputy Zack Parrish would be alive today if Colorado had a Red Flag law. Visit rmpbs.org/insight/imminent for the full episode and more information. "Imminent Danger" premieres Thursday, April 26 at 7pm on Rocky Mountain PBS