People could be called for jury duty either in the state/county/local court system, or the federal court system. Few criminal cases go to a jury trail, since >

People could be called for jury duty either in the state/county/local court system, or the federal court system. Few criminal cases go to a jury trail, since >90% of them plead out (aka plea bargain: plead guilty to lesser charges). https://www.nolo.com/legal-encyclopedia/how-criminal-cases-actually-go-trial.html https://www.nolo.com/legal-encyclopedia/how-criminal-cases-a... Being called for jury duty is a mild inconvenience. Serving on a jury for more than a few days can be a significant inconvenience, but most people should be glad to serve if they like having a right to trail by jury. Some counties in California like to call a lot of people often for jury duty, and send most of them home without serving. Many judges will consider "but I already served as a juror for X days this/last year" when deciding whether to have a prospective juror to serve or not. California uses both DMV driver's license and county voter databases to generate jury pool lists. The merge algorithm is, well, simple. If you have a DL as J. Random Hacker and vote as John R. Hacker, you are very likely to get called for jury duty twice as often.