For years, Sinaloa — an agricultural region synonymous with the infamous cartel bearing its name — enjoyed a fragile peace.

Since last year, CIA operatives inside Mexico have directly participated in deadly attacks on several, mostly mid-level cartel members, the sources said.

Mexico was swept by a wave of violence following the recent killing of Nemesio Oseguera Cervantes, a.k.a. "El Mencho," the leader of a major drug cartel, by the nation's armed forces with intelligence ...

WASHINGTON (AP) — President Donald Trump has signed off on a new U.S. counterterrorism strategy that sets eliminating drug cartels in the Western Hemisphere as the administration’s highest priority, ...