The character of reporter Ricardo Bauma was done as a caricature of Geraldo Rivera, who at the time this film was made had yet to become a national celebrity and was mainly just known by people on the East Coast in America.
Though it was the success of Halloween (1978) that ultimately allowed this film to be made, it was actually written earlier. Accordingly, Lewis Jackson does not consider this film to be a Slasher film, but rather a film that has more in common with Frankenstein (1931).
The trivia item below may give away important plot points.
While many people think Harry does in fact fly off at the end, he actually just drives off the bridge and kills himself. An explosion is heard, but people mistake it for the sound effects of Harry's brother rolling down the hill into boxes.