Cesar Hernandez-Martinez, a 29-year-old Tijuana man, was sentenced in federal court Tuesday to 137 months in custody for laundering $13 million of narcotics proceeds for the Sinaloa Cartel. Hernandez owned and operated currency exchange houses in Tijuana that received proceeds from the sale of multi-kilogram quantities of cocaine, methamphetamine and heroin smuggled into the United States by the…