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 ...

A memo from the Rio Grande Valley Sector Operations Center obtained by NewsNation is warning agents in that sector that an organized group operating out of Matamoros, Mexico, is allegedly planning ...