DOJ announces criminal charges against five United Cartels leaders with $26 million rewards offered for arrests in international drug trafficking case.

A car accident, a series of secret wiretaps, a shootout with police and a drug bust eventually led federal investigators back to cartel leaders in Mexico.

As part of its crackdown on gangs, the US Justice Department has offered $26m in rewards for Carteles Unidos leaders.

A US drone that surveilled a México state cartel stronghold was requested by the Mexican government, the federal security minister said.

Mexican cartel leader Servando Gomez-Martinez indicted for drug importation into the U.S. and is now in U.S. custody.

A car crash in a small Tennessee town ultimately led to the five Mexican cartel leaders being hit with federal charges, and the DOJ offering up to $26 million for their arrests.

The Treasury Department sanctioned four people and 12 companies in Mexico linked to a "brutally violent" cartel in timeshare fraud of a Puerto Vallarta resort.

In a major development, Mexico has sent 26 high-ranking cartel members to the United States. Historic Transfer of Dangerous Criminals This move is part of a growing effort to stop powerful criminal networks from smuggling drugs across the border.