Need Help From You Guy's.

Guy's i've been playing GTA VICE CITY  for months. . . . . And i've been looking 4 how to pass the stage 'THE DEMOLISHTION MAN' but i've not passed that stage. . . . I've finished all diaz mission xcept this one. . . . . . . . So guy's please help me out

Yeah! Yeah!! Yeah!!! Beat's me. . . . . . Error when i was typing.