<Li> Dennis Burkley--Oatmeal </Li> <Li> Michael Waltman--Jailer </Li> <P> Larry Ferguson wrote the screenplay after reading the article "Undercover Angel" by Lawrence Linderman in the July, 1981 issue of Playboy on an undercover agent named Dan Black . Black served as a technical advisor on the film and appeared as an extra in the movie . </P>

Who is the movie beyond the law based on