Eder Peralta

The Mexican military says Nemesio Oseguera Cervantes, who was better known as El Mencho, was killed during an operation to capture him on Sunday.

His death unleashed waves of violence across more than 20 states, but calm has returned to the state of Jalisco, where he wielded most of his power.

The governor says schools will reopen on Wednesday, and many businesses have already reopened.

The government of Mexico says that international airlines will also restart flights soon out of the resort town of Puerto Vallarta.

Authorities say they found El Mencho at a country club in the mountains surrounding Guadalajara.

It was a place frequented by powerful people, including politicians and business leaders.

Eder Peralta, NPR News, Tapalpa, in Jalisco State, Mexico.

I think that at least in my population, in my city, it's going to get worse.

Within the past 10 years, he turned the Jalisco New Generation Cartel into one of the biggest organized crime groups in the world.

They took over a whole lot of territory in Mexico and began operating outside the country in Europe and the U.S.

The U.S.

says El Mencho's cartel trafficked billions of dollars worth of cocaine and fentanyl into the U.S.

El Mencho has been indicted several times in American courts and the U.S.

had put a $15 million bounty on his head.

The doors were open.

Now they're closed.

Nemesio Oseguera Cervantes was better known as El Mencho, and he turned the Jalisco New Generation cartel into one of the most powerful organized crime groups in the world.

The U.S.

was offering a $15 million bounty for El Mencho,

accusing his cartel of making billions of dollars by shipping fentanyl and cocaine to the U.S.