HOLLYWOOD, Fla. – A Florida man was gunned down in the parking lot of the Seminole Hard Rock Hotel & Casino and authorities are searching for the killers.Pierre Jules LaCroze, 37, was shot and killed after driving onto the sixth floor of the parking garage shortly after midnight Thursday, according to Seminole police.Authorities said they want to talk to two men and a woman captured on surveillance video coming off an escalator and entering the casino.