[governor of Colorado signs four gun control bills] April 29, Colorado Governor Jared Polis signed four gun control bills on April 28 local time, including raising the age limit for the purchase of guns from 18 to 21, and setting a three-day waiting period between buying and receiving guns. Strengthen the state's Red Flag Act to allow judges to temporarily remove guns when they pose a threat to themselves or others, remove some legal protection for the gun industry, and expose them to lawsuits from victims of gun violence.