Mexican drug cartels have been smuggling a vast arsenal of even military-grade weapons out of the U.S. with the help of American citizens, a CBS Reports investigation has found.. Exclusively ...

Here are some of the U.S. weapons that Mexico’s drug lords prize most, amid the U.S. Supreme Court’s decision to weigh Mexico ...

A darker crisis is unfolding in Ukraine, as American weapons intended for Ukrainian troops have reportedly fallen into the hands of Mexican drug cartels. This next report delves into how a perfect ...

Mexican officials have pursued a lawsuit against American gun manufacturers for their role in helping arm the various cartels and empower them in their war against authorities.

Snopes readers also asked via email whether Ukraine sold American weapons on the black market or to various militant or criminal groups, including Hamas, Syrian rebel groups and Mexican drug cartels.

Tucker Carlson recently said Ukraine is selling "up to half" of the weapons it receives from the U.S., with some allegedly reaching Mexican cartels.

Print shows a scene from the Battle of Monterrey, led by General Zachary Taylor and General William J. Worth, during the Mexican-American War.1855. Library of Congress. In 1844, President James K ...

In the northwestern Mexican state of Sinaloa, two factions of the Sinaloa Cartel are using heavy weapons in a turf war for control of the smuggling of fentanyl and other drugs to the U.S., Mexican ...