On March 20, 2013, Governor John Hickenlooper signed into law HB13-1224, prohibiting large-capacity ammunition magazines, and HB13-1229, requiring background checks for private transfers of firearms. Two months later, a group of plaintiffs — including 55 of the 62 county sheriffs of Colorado — filed suit against the Governor in federal district court, asserting that several provisions of HB13-1224 and HB13-1229 are unconstitutional or unconstitutionally vague. (more…)