the theme is not to be prejudice about others and believe that there is a reasonable doubt
No one knows the exact answer to this question, except the playwright himself. All we know is that the boy didn't do it. However, many people have reason to believe that Three did it, because of his...
Reginald Rose
Juror #3 because he stands with his opinion of "Guilty" the longest.
Sidney Lumet and William Friedkin