"Double Jeopardy" protections in the U.S. Constitution keep criminal defendants from facing prosecution more than once for the same offense (with a few exceptions). Below you will find information on "Double Jeopardy" protections, eligibility, and more.

Double Jeopardy Protection Basics:
• The Concept of Double Jeopardy: Background
• Reasons for Double Jeopardy Protection

Eligibility for Double Jeopardy Protection:
• When Jeopardy Protection Applies: Only in Certain Proceedings
• When Jeopardy Protections Take Hold
• When Jeopardy Protection Ends: Acquittals, Dismissals, and More
• What Constitutes the Same Offense

State-Specific Information on Double Jeopardy:
• Samples of State Court Decisions on Double Jeopardy