Officer tried to sell $100,000 worth of stolen Bluetooth headsetsAn undercover Miami police officer who was involved in the shootings of two teen robbery suspects within days of each other over the summer was arrested by the FBI on unrelated charges. Officer Ricardo Martinez a veteran of the city's gang unit with 12 years on the job, was arrested Thursday for trying to sell a shipment of stolen Bluetooth headsets to the FBI, federal investigators said Friday. Martinez, 40, had a court appearance Friday in federal court. If convicted on possession of stolen goods, he could face 10 years in...