The case is related to Selective Service law.

[1] In this case, the jury recorded a verdict of guilt, but the judge then ordered an acquittal.

[2] The government appealed, but the Supreme Court held that the government had no power to appeal a verdict of acquittal, no matter how wrong the legal basis was for the acquittal.

Sisson was "the first important case won by a selective conscientious objector", a person who asserted that they were not opposed to serving in a war generally, but objected to serving in a specific war which they believed to be immoral.

This article related to the Supreme Court of the United States is a stub.