A timeline of Colorado gun laws since the Aurora movie theater shooting

Colorado lawmakers have passed a slew of new firearm laws in the dozen years since a major local mass shooting with the bulk of them enacted in just the last five legislative sessions Here s a timeline of the major laws along with several incidents that helped influence the drafting of them July A gunman opens fire in a movie theater in Aurora killing a dozen people and injuring Dec A mass shooting at Sandy Hook Elementary School in Newtown Connecticut kills first-grade students and six educators March During the Colorado legislative session following those incidents then-Gov John Hickenlooper signs three landmark gun laws a -round limit for firearm magazines a universal background check requirement and a new fee on gun buyers to pay for the checks Sept Two Democratic state senators are recalled by voters in a campaign by gun-rights advocates who are furious about the gun statute A third resigns later in the year November Republicans win control of the state Senate developing Democratic trifecta control of both legislative chambers and the governorship The party holds the Senate through June A gunman kills people at Pulse a gay nightclub in Orlando in what at the time is the deadliest mass shooting in U S history Oct In Las Vegas a gunman fires on a crowd of fans at an outdoor country music concert killing people and injuring hundreds Feb A former pupil kills people at Marjory Stoneman Douglas High School in Parkland Florida in the deadliest school shooting since Sandy Hook Nov Colorado Democrats win a majority in the state Senate and regain trifecta control of state administration as Gov Jared Polis also wins voting process April Polis signs the extreme peril protection order bill into law Commonly known as the red-flag law it allows judges to order the temporary confiscation of firearms from people suspected to be a danger to themselves or others March A gunman kills people at a King Soopers grocery store in Boulder legislative session Colorado lawmakers pass and Polis signs five new gun laws setting storage requirements for firearms expanding background checks and adding disqualifying misdemeanors establishing the state Office of Gun Violence Prevention setting requirements for reporting lost or stolen firearms and allowing local jurisdictions to pass more restrictive gun laws than the state May A gunman opens fire on a birthday party in Colorado Springs killing six people and then taking his own life legislative session Lawmakers pass a law banning the open carrying of firearms within feet of a polling place November A shooter kills five people and wounds others at Club Q a LGBTQ nightclub in Colorado Springs legislative session Lawmakers pass and Polis signs four new gun laws establishing a three-day waiting period to purchase a firearm making the minimum age to purchase a firearm expanding who can file an extreme peril protection order petition and banning the sale possession and creation of unserialized firearms or so-called ghost guns Related Articles Colorado lawmakers must close new budget gap reaching nearly billion caused by Trump tax bill Colorado lawmaker faces bullying insists from past Larimer County post complaint from fellow legislator Denver Water s effort to free up land for stadium could hit roadblock in condemnation laws Former Colorado state senator faces felony charge for actions in Senate ethics probe Colorado lawmaker faces sexual harassment accusations that surfaced during GOP leadership race legislative session Lawmakers and Polis enact seven new gun laws setting new training requirements for concealed-carry permits setting new requirements for storing firearms in a conveyance adding a new tax on firearms ammunition and certain parts subsequently adopted by voters - adding new state licensing for firearm dealers expanding authority for the Colorado Bureau of Assessment to investigate firearm-related crimes adding a new merchant code to track sales of guns and ammunition and banning the carrying of firearms including those that are concealed in ruling body buildings near polling places and in educational institutions legislative session Lawmakers pass and Polis signs seven gun laws making the theft of a firearm a felony regardless of the weapon s value setting the minimum age at to purchase ammunition in most of circumstances adding new requirements for gun shows increasing enforcement capabilities for the Department of Revenue related to firearms dealers adding permitting requirements for the purchase of certain semiautomatic firearms creating a voluntary do-not-sell list for firearms and establishing requirements for the Department of Inhabitants Safety to seek additional grant money for the state s response to mass shootings Stay up-to-date with Colorado Politics by signing up for our weekly newsletter The Spot