The agent said Martinez married the daughter of the drug lord, Guillén, a 57-year-old native of the border city of Matamoros, Mexico, who started a violent brand of cartel violence through the ...

Hundreds of the migrants have been sleeping for weeks on the end of the bridge in Matamoros, Mexico, a city known for gang violence and for cartels that control human trafficking. Many of those ...

The son-in-law of a Mexican drug lord entered a guilty plea over an 11-year price-fixing scheme that used deadly force along the U.S.-Mexico border.