DeMartin's transgressions were twofold. First, he failed to tell the court that his ex-wife, then wife, was convicted of DUI. In addition, DeMartin conducted his own experiment with alcohol to determine how drinking might impair one's abilities. The court discovered DeMartin's misconduct because he self-published three books in which he detailed his time as a juror in the Goodman trial. According to the trial judge who sentenced DeMartin,
If I found Mr. DeMartin a benign Mr. Magoo who was unaware of the destruction he left in his wake, then I would find differently. I don’t think that’s the case.