An off-duty police officer working a downtown Tarpon Springs car show shot and killed a man Saturday whom the officer said came at him with a knife, the department said. Tarpon Springs Police: Officer fatally shot man armed with knife Off-duty cop was working a car show in downtown Tarpon Springs FDLE, Pinellas County Sheriff's Office will investigate incident Just after 1:30 p.m., the officer was flagged down by citizens and alerted to a "suspicious" man on a bicycle in the area of Tarpon and Safford avenues. They described the man as wearing an orange jacket with the hood pulled...