Tampa Police Department, FL, End of Watch Saturday, February 25, 2006 | Detective Juan A. SerranoSummary:February 25, 2006Detective Juan Serrano was killed when his department vehicle was struck by a hit-and-run driver at the end of the Gibsonton Drive exit of I-75. Detective Serrano was flown to Tampa General Hospital where he succumbed to his injuries. Detective Serrano, who served as the Tampa city mayor's executive protection officer and driver, had just left a function that the mayor was attending. He had served with the Tampa Police Department for 17 years. Driver who hit, killed off-duty FL detective was drunk | Detective Juan A. SerranoTAMPA - The man accused of killing a police detective in a hit-and-run crash was charged Tuesday with drunken driving.