“Sol Prendido” for Borderland Beat The man was arrested in 2025 during an operation in Durango where authorities seized fentanyl, cocaine, and weaponry. The Attorney General's Office (FGR) announced that it has secured a sentence of 10 years and 10 months in prison against Samuel “N”—alias “El Sierra”—whom authorities have identified as a financial operative and second-in-command of a criminal group affiliated with the Los Chapitos faction of the Sinaloa Cartel. According to the agency, the conviction was the result of investigations and evidence presented by the Specialized Prosecutor's Office for Organized Crime, which established his culpability in crimes related to the possession of firearms, magazines, and ammunition designated for the exclusive use of the Armed Forces, as well as the possession of narcotics with intent to distribute.