Read the following passage and answer if the question is true or false.
Passage: The film was adapted by Wesley Strick from the original screenplay by James R. Webb, which was an adaptation from the novel The Executioners by John D. MacDonald.

Question: is cape fear based on a true story?

Is the answer True or False? Respond with only "True" or "False" and no additional text.
True (but the passage specifically refers to the film adaptation, not the source novel)