Sinaloa drug cartel leader Joaquin Guzman Lopez, the son of "El Chapo," pleaded not guilty during his first court appearance since his arrest last week.

Top Sinaloa cartel leaders, including the son of El Chapo, taken into US custody, the Department of Justice said.

Joaquín "El Chapo" Guzmán has asked a federal judge to reinstate his phone call and visiting privileges at the supermax prison in Colorado.

The machine-printed banners were purportedly signed by a faction of the Sinaloa cartel led by the sons of jailed Mexican drug lord Joaquin "El Chapo" Guzman.

The wife of Joaquin "El Chapo" Guzman was released from her California halfway house on Wednesday, a prison official confirmed to ABC News.

The Justice Department on Friday announced a massive crackdown targeting a global drug trafficking network with members in China and Mexico including El Chapo's sons.

Ovidio Guzmán, a top leader of the Sinaloa Cartel and the son of Joaquin "El Chapo" Guzmán, the notorious drug lord, has been arrested by authorities in Mexico.

El Chapo conviction upheld.

El Chapo's wife sentenced to three years in prison.

Prosecutors are accusing her of participating in a conspiracy to distribute drugs for import in the U.S.

Mexico's president praised the military's decision to release Ovidio Guzmán López, saying, "It is no longer to face violence with violence, evil with evil."

Mexican authorities were surrounded -- and residents were attacked -- as police tried to arrest "El Chapo's" fugitive son in a Sinaloa cartel city Thursday.

Guzman, 62, was convicted on charges that mandate life in prison.

Joaquin "El Chapo" Guzman is a notorious leader of the Sinaloa cartel.

Joaquin "El Chapo" Guzman was extradited to the U.S. in 2017.

Federal prosecutors said Joaquin “El Chapo” Guzman can be linked to 36 murders.

The defendant's lawyers asked a judge to allow Guzman to hug his wife in court.

The alleged drug lord is seeking a 'brief, momentary greeting' from his wife.

His trial is set for September.

The drug kingpin's lawyers said restrictive jail conditions are causing harm.

Joaquin Guzman was extradited to the United States in January.

The Mexican drug lord was extradited to the U.S. last month.

The Mexican drug lord was extradited to the U.S. on Thursday.

The drug lord is being extradited from Mexico to the United States.

The 29-year-old son is the one who, Sean Penn said, drove him and Mexican actress Kate del Castillo to their meeting with El Chapo.

He was captured in January after six months on the run.