Four decapitated bodies have been found hanging from a bridge in Mexico's Sinaloa state, part of a surge of violence that claimed the lives of 20 people in less than a day.

U.S. Ambassador Ken Salazar has lashed out at Mexico's failure to accept aid in the fight against drug cartels, claiming the country "closed the doors" on security cooperation.

Assailants have fired a dozen gunshots at a building housing the newspaper El Debate in the embattled northern state of Sinaloa.

Cellphone chats have become death sentences in the continuing, bloody factional war inside the Sinaloa drug cartel.

U.S. Ambassador Ken Salazar has rejected accusations by Mexico’s president that the U.S. shares some responsibility for cartel violence in Sinaloa state.

At least 30 people have been killed in the past two weeks in Mexico’s northern state of Sinaloa as two factions of the powerful Sinaloa cartel continue to clash.

The National Hurricane Center says Storm Ileana has weakened to a tropical depression.

The murders of about a dozen people in the northern Mexico state of Sinaloa appear to be linked to cartel infighting, something authorities had feared would follow the July 25 detention of two top cartel leaders.

The United States managed to arrest Mexico’s most-wanted drug lord, but Mexican prosecutors — and the president — now say they are considering bringing treason charges against those who handed him over.

Mexican drug lord Ismael “El Mayo” Zambada has said that he was ambushed and kidnapped when he thought he was going to meet the governor of the northern state of Sinaloa.

The mother of convicted drug lord Joaquín “El Chapo” Guzmán has died in the northern state of Sinaloa.

The operation to detain Ovidio Guzman, the son of imprisoned drug lord Joaquin “El Chapo” Guzman, unleashed firefights that turned the northern city of Culiacan into a war zone.

The Treasury Department has sanctioned a group of people and firms connected to Mexico’s Sinaloa drug cartel, including a sibling involved in the family-run Valenzuela drug trafficking organization.

Yet another mother searching for her disappeared son has been killed in northern Mexico.

Mexican state prosecutors say two journalists have been shot to death in the Gulf coast state of Veracruz.

Google MapsCULIACAN, Mexico - Mexican security forces engaged in a prolonged shootout with heavily armed suspected cartel members in Sinaloa state Thursday, in an operation that ensnared a son of imprisoned drug lord Joaquin "El Chapo" Guzman. Authorities identified one of the occupants as Ovidio Guzman Lopez. Who is Ovidio Guzman Lopez? Ovidio Guzman Lopez is the son of Guzman and his second wife, Griselda Lopez. In February, Ovidio Guzman Lopez was charged with conspiracy to distribute drugs to be imported into the US, along with his brother Joaquin Guzman Lopez, 34, by the US Department of Justice.