Nearly half of powerful .50-caliber ammo seized by Mexican government came from US Army plant, defense minister says

A United States Army ammunition plant was the source of almost half of all the .50-caliber rifle rounds seized by Mexican authorities over more than a decade, the country’s defense minister told reporters Tuesday, after an investigation by the ICIJ and media partners revealed how the powerful ammunition has been used by Mexican drug cartels in attacks on the government and civilians.

“According to the records we have,” Defense Minister Gen. Ricardo Trevilla Trejo said during a presidential news conference...