The country has seen a surge of unrest in recent days, including uprisings at prisons and the killing of police officers, which the authorities have blamed on gangs.

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Evidence at sentencing revealed that Juan Francisco “Pariente” Castaneda threatened to kill co-defendants during the course of the investigation and “feed them to the dogs.”

A system designed to protect state inmates who wish to leave gangs has backfired, leading to increased violence fueled by so-called 'dropout' gangs formed by prisoners who defected from other groups.

WASHINGTON — A Mexican drug cartel member accused of faking his death to avoid capture was sentenced Thursday to more than 11 years in U.S. prison for his money laundering role in one of his home country's largest and most violent narcotics trafficking ...

A high-ranking Mexican drug cartel leader accused of faking his death to avoid capture was sentenced Thursday to more than 11 years in U.S. prison for his money laundering role in one of his home country's largest and most violent narcotics trafficking ...