Rollercoaster | 1977
A deranged young man sabotages a roller coaster ride at an amusement park, killing several people. After striking again in some other parks, he then presents a list of demands to law enforcement authorities in an audio tape. If he does not receive one million dollars, he threatens to sabotage five roller coasters in five different places simultaneously. Detective Harry Calder is chosen by the terrorist to deliver the money.