Maine voters approve new law to prevent suicides and mass shootings

Though it was hardly a national focal point of the 2025 elections on Tuesday, Maine became the twenty-second state to adopt a “red flag” law for regulating guns, with the approval of nearly 59 percent of voters. Starting in January, Maine will allow families to petition a judge to remove firearms temporarily from a family member who appears to pose a threat to themselves or others. It’s a notable development in a state with a strong gun and hunting culture, where even the Democratic governor, Janet Mills, opposed the measure.  

The new policy stands as a clear response to the devastating mass shooting that took place in Lewiston, Maine, in October 2023 at the hands of a profoundly troubled man, whose worsening condition had long alarmed those around him. As I reported previously:

Army reservist Robert Card, the 40-year-old suicidal perpetrator who killed 18 people and injured 13 others at a bowling alley and a bar on October 25, displayed numerous warning signs far in advance. His erratic behavior going back months included complaints he was hearing voices, angry and paranoid claims about being smeared as a pedophile, punching a colleague, and threatening to shoot up the Army base where he worked. Some of his family members and supervisors sounded the alarm. After a two-week stay and a psychiatric evaluation in July at an Army hospital, Army officials directed that Card should not possess a weapon or handle ammunition.

Despite the fact that people close to Card felt he was becoming dangerous, they had little possible recourse; at the time, the state had a weaker “yellow flag” law in place that allows only law enforcement to seek removal of guns—and only after the person of concern has been given a medical evaluation. As Card’s case showed, though, that is a high bar to taking action. A few weeks before the massacre, as I further reported, “the Sagadahoc County Sheriff’s Office, which had communicated with family members and Army authorities since May, attempted a wellness check at Card’s residence.” Unable to locate him, they alerted other agencies that he was “armed and dangerous” and should be approached with “extreme caution” based on his reported behaviors.   

In other words, opportunity for intervention at an earlier stage of Card’s downward spiral, flagged by family members and others, was already gone. An investigation later published by the New York Times revealed that Card had suffered from serious brain injury connected with his military service.

As red flag laws have spread throughout the country in recent years, research in California and beyond has shown that they can be effective for preventing suicide and mass shootings. (A majority of mass shootings culminate with the perpetrators ending their own lives.) California led the way with the policy in the aftermath of a 2014 mass killing near University of California, Santa Barbara. During my recent two-year investigation into that notorious case, violence prevention experts at the Santa Barbara County Sheriff’s Office told me that in the decade since, the state’s red flag law has become “a key tool in a lot of, if not most of, the threat management cases that we’ve worked.”

Evolving policy nationally on gun regulations and violence prevention remains a mixed picture, particularly since Donald Trump returned to the White House. He quickly issued executive orders aimed at rolling back years of progress on red flag laws, “ghost guns,” and more, and he has gutted key violence-prevention programs within the federal government.

Some Republican allies of Trump at the state level have moved in a similar direction, including in Texas. That state has suffered several of the worst gun massacres in recent memory, from a Walmart in El Paso to Robb Elementary School in Uvalde, but nonetheless, Texas Gov. Greg Abbott signed the state GOP’s Anti-Red Flag Act into law in June. In stark contrast to Maine’s new policy, the use of such violence-prevention strategies—once backed even by Abbott himself—is essentially no longer an option in Texas.