Report: Mountain West states lag in traffic safety

On today's newscast: a suspect in a school shooting threat is in Pitkin County custody after local schools went on a 'secure lockout' this morning, Governor Jared Polis and Attorney General Phil Weiser support expanding Colorado’s red flag gun law, Aspen’s city council adopted a new set of building codes last night to reduce carbon emissions, Mikaela Shiffrin broke the women’s ski World Cup record in Italy yesterday, and more.