If this is what Milwaukee County has to say about being a juror
The most important qualities of a juror are fairness and impartiality. A juror must lay aside all bias and prejudice.
then why does SH have to complete a form giving his race? (Which is human, BTW. And like the defense and prosecution couldn't figure it out by looking at him when he gets there, if it's so important to the case?) It is illegal for him not to answer the question.
We had to answer the same question on our marriage license application. What? Is it illegal for persons of different races to marry each other in Wisconsin?