What is double jeopardy?

Ahead of today’s hearing, there has been speculation that, in the event of a federal plea deal, Mangione’s lawyers might seek to get his state murder charge dropped under double jeopardy. This is a constitutional protection that stops a person being prosecuted twice for the same crime. Even though Mangione is facing different charges in each of the separate cases, his lawyers have previously argued he shouldn’t be tried in both state and federal court. So far, judges have allowed both cases to p