This post provides an update on last week's developments in Cooke et al. v. Hickenlooper. This is a lawsuit filed May 17 in federal District Court in Denver, challenging two gun laws enacted by the state legislature in March. In the case, I represent 55 of Colorado's 62 elected Sheriffs, plus one retired police officer. Other plaintiffs, with their own attorneys, include the Colorado Farm Bureau, Outdoor Buddies (which helps disabled people participate in outdoor sports), the Colorado Outfitters Association (trade association for hunting guides), federally licensed firearms dealers, the National Shooting Sports Foundation, and others. We argue that House Bill 1224 (magazine ban) and House Bill 1229 (background checks and paperwork on temporary loans and private sales of firearms) violate the Second and Fourteenth Amendment, and the Americans with Disabilities Act.
Read the article: The Volokh Conspiracy
Kopel: Successes in Colorado Sheriffs' Second Amendment case
Tuesday, July 16, 2013
Monday, May 4, 2026
Homicide rates in the United States, including those where firearms are used, have been declining over the last few years. According to multiple reports on early projections, 2025 is expected to see the largest decline in ...
Friday, July 4, 2025
Earlier today, on the 4th of July, a day on which our Founding Fathers declared their intent for a free nation, the President of the United State of America, Donald Trump, signed the “One Big ...
Monday, October 12, 2026
As we announced separately this week, ATF has determined that it will use its executive discretion to uniformly suspend enforcement of large portions of the National Firearms Act (NFA).
Friday, October 23, 2026
The U.S. Court of Appeals for the Fifth Circuit has ruled that the federal Switchblade Act’s restrictions on the interstate commerce of switchblade knives violate the Second Amendment.
Monday, October 19, 2026
More than half a century ago, Stanley Kubrick’s film, 2001: A Space Odyssey, introduced the world to HAL-9000, a sentient “supercomputer” with advanced artificial intelligence (AI) processing. When HAL, responsible for running the spacecraft, decides ...
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