In a unanimous decision, the US Supreme Court has determined that American gun manufacturers cannot be held accountable for arms trafficking into Mexico, protecting them under the 2005 PLCAA law.
Supreme Court Dismisses Mexico's Legal Action Against US Gun Manufacturers

Supreme Court Dismisses Mexico's Legal Action Against US Gun Manufacturers
The highest court in the US rules in favor of gun manufacturers, reinforcing existing liability protections.
In a landmark judicial ruling, the US Supreme Court has unanimously decided to dismiss a lawsuit from Mexico aimed at holding American gun manufacturers responsible for exacerbating the country’s violence linked to drug cartels. The 9-0 vote ensures the continuation of the 2005 Protection of Lawful Commerce in Arms Act (PLCAA), which grants blanket immunity to gun makers against lawsuits alleging that their products are misused.
Mexico's government had accused US gun manufacturers of facilitating the influx of illegal firearms across its borders by adopting “deliberate” marketing tactics that appeal to criminal organizations, including drug cartels. This ruling signifies a notable rejection of those claims, reversing a lower court's decision that initially allowed the lawsuit to move forward against prominent manufacturers like Smith & Wesson.
During oral arguments presented in March, Supreme Court justices expressed skepticism about the merits of Mexico’s case. Those on both sides of the ideological spectrum raised doubts about the validity of the allegations, essentially underscoring a consensus that the liability shield provided by the PLCAA remains intact. The ruling marks a significant moment in the ongoing dialogue about gun control and international relations concerning arms trafficking, as it solidifies the barriers against legal recourse for foreign governments affected by US-manufactured weapons.