Suspect arrested in Costa Rica for 2012 slaying of Metro PCS worker in NYC

Cops have nabbed a third suspect in connection to the October 2012 slaying of a Harlem cellphone store worker, the NYPD announced Saturday. Investigators extradited Osvaldo Polanco Garcia, 40, of the Bronx, back to the United States from Costa Rica Friday, an NYPD spokesman said. He had been awaiting extradition since Costa Rican border cops…