Absolutely. And you aren't going to hear about them....

There is a requirement in the constitution that all people have to right to a public trial. They can wave that right if they choose.

But other cases have no requirement of being public. In fact, the court might find that keeping the details of a case secret may be necessary for the case to get a fair hearing or to protect national secrets.

Election fraud would likely fall under both categories. The sources and methods used to catch foreign governments in the act are likely sensitive.