Nemesio Rubén Oseguera Cervantes, known as “El Mencho,” headed the cartel, which is a major source of drugs coming to Chicago and elsewhere in the United States, according to the DEA.

The violence that followed the killing of a cartel leader in Mexico is fueling fears that the bloodshed could hurt tourism ahead of the FIFA World Cup later this year.

Security orders in Jalisco have lifted as people have returned to school and work Feb. 25.

The Mexican army killed the leader of the powerful Jalisco New Generation Cartel, Nemesio Rubén Oseguera Cervantes, "El Mencho," in an operation Sunday, a federal official said.

In nine years of wintering in Puerto Vallarta, the sun-washed resort city on Mexico’s Pacific Coast, Berl Schwartz has heard plenty of rumors about the cartel presence.

"El Mencho," the powerful drug lord the Mexican army killed in a daring raid Sunday, had created what security experts say was one of the most advanced security operations devised to protect a cartel boss. His system relied on high-powered weaponry, nearly 400 gunmen, bomb-delivering drones and, sometimes, landmines.

Culiacán in northern Mexico has seen a surge in violence as rival factions of the Sinaloa cartel battle for control.

GUADALAJARA, Mexico (AP) — 25 Mexican National Guard troops killed in Jalisco after cartel leader’s capture, official says. Flights are resuming, but the U.S. State Department is still telling American citizens in five Mexican states to "shelter in place."

Mexico reports Jalisco security stabilized after cartel violence following kingpin "El Mencho's" reported death, with flights resuming to Puerto Vallarta.