"El Ricky" was arrested this week. He's accused of leading several operations against law enforcement, including an attack on the Mexican Army ...

"El Ricky" is responsible for an attack against military personnel in the state of Nuevo Leon that resulted in two soldier ...

Cárdenas Guillén’s nickname was "El Mata Amigos," or "The one who kills his friends," and the 57-year-old once moved tons of cocaine and made millions of dollars while leading the Gulf cartel ...

There had been nervousness about the impending return of Cárdenas Guillén, who once led the feared Gulf cartel in northeastern Mexico before he was arrested and extradited to the United States ...

A high ranking leader with the Cartel Del Noreste has been arrested in Nuevo Laredo, Mexico, according to authorities.

MORE: Top Sinaloa cartel leaders, including son of El Chapo, taken into US custody: DOJ A frail-looking Zambada appeared at the hearing in a beige smock over an orange T-shirt and reading glasses ...