City of Chicago v. Mayer

A jury in the circuit court of Cook County found the defendant, Jack L. Mayer, guilty of disorderly conduct and of interfering with a police officer in the performance of his duties. He was fined $250 for each violation of the Chicago ordinances.

On appeal he urges that the judgments be reversed: (1) because he was denied due process by the prosecution’s deliberate introduction of irrelevant and prejudicial matters before the jury; (2) because he was denied the right to have the jury instructed on the “necessity” defense; and (3) because conviction of a violation of the Chicago ordinances…