- Charles S. Haas based his story on true events which occurred in the planned community of Foster City, California in the early 1970s. In fact, a California headline about the incident, "Mouse Packs: Kids On A Crime Spree", was authored by Haas when he was a reporter with the San Francisco Examiner.
- Originally completed in 1979, the movie was not released until two years later when it was run on HBO. At the time, the studio thought the movie was too controversial and feared that it would spark violence, which apparently occurred with the film Warriors, The (1979).
- The geometric patterns that Claude and Johnny are watching on TV are synchronized to music. These channels were very popular in the early days of cable TV when there was no such thing as MTV.
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