Double jeopardy is a constitutional protection that generally prevents a person from being prosecuted or punished more than once for the same criminal offense by the same sovereign. It comes from the Double Jeopardy Clause of the Fifth Amendment to the U.S. Constitution and applies to both federal and state governments.
However, the rule is more complicated than simply saying, “you cannot be charged twice for the same crime.” Whether double jeopardy applies depends on when jeopardy attached, how the first case ended, whether the later charge is legally the same offense, and whether the prosecutions are brought by the same sovereign.
What Does Double Jeopardy Mean in Law?
The Double Jeopardy Clause protects defendants against three basic forms of government action:
1. A second prosecution for the same offense after an acquittal;
2. A second prosecution for the same offense after a conviction; and
3. Multiple criminal punishments for the same offense, unless the legislature has lawfully authorized separate punishments.
The purpose is to prevent the government from repeatedly putting someone through criminal proceedings for the same offense after jeopardy has attached and the matter has been resolved.
An acquittal receives particularly strong protection. In general, prosecutors cannot simply retry a defendant because they disagree with a not-guilty verdict.
When Does Double Jeopardy Attach?
Double jeopardy attaches when a criminal trial reaches the point at which the defendant is legally placed in jeopardy.
1. In a jury trial: jeopardy generally attaches when the jury is sworn.
2. In a bench trial: jeopardy generally attaches when the court begins hearing evidence.
Double jeopardy does not usually attach merely because a person has been arrested, charged, or indicted.
This timing matters because charges dismissed before jeopardy attaches may sometimes be refiled without violating the Double Jeopardy Clause.
Can You Be Tried for the Same Crime Twice?
Generally, not by the same sovereign after a valid acquittal or conviction for the same offense. But there are important exceptions.
Another prosecution may be permissible when:
| Situation | Can Another Trial Occur? |
|---|---|
| Defendant was acquitted | Generally no for the same offense |
| Defendant was convicted | Generally no new prosecution for the same offense |
| Jury could not reach a verdict | Generally yes |
| Mistrial was supported by “manifest necessity” | May be allowed |
| Defendant successfully appeals a conviction | Retrial may be allowed |
| Conviction is reversed because evidence was legally insufficient | Retrial is generally barred |
| State and federal governments prosecute the conduct separately | May be allowed under dual sovereignty |
| Later charge is legally a different offense | May be allowed |
A hung jury is a common example. Because the first jury did not reach a final verdict, a retrial generally does not violate double jeopardy.
Similarly, when a defendant successfully appeals a conviction because of trial error, the government can often retry the case. That is different from an appellate ruling that the prosecution’s evidence was legally insufficient to support the conviction.
For more information about challenging federal criminal judgments, see Brownstone Law’s federal appeals practice. Brownstone’s federal appellate practice includes criminal convictions, sentences, and constitutional claims.
How Do Courts Decide Whether Two Charges Are the “Same Offense”?
Courts generally use the Blockburger test to determine whether two criminal charges count as the same offense for double-jeopardy purposes.
Under Blockburger v. United States, 284 U.S. 299 (1932), courts ask:
Does each offense require proof of at least one legal element that the other does not?
1. If yes, the charges may be treated as separate offenses.
2. If no, they may be considered the same offense for double-jeopardy purposes.
This means two charges can arise from the same conduct or incident and still be legally different offenses. Courts therefore compare the statutory elements of each charge, not just the underlying facts.
What Is Dual Sovereignty?
Dual sovereignty means that state and federal governments are treated as separate sovereigns for double-jeopardy purposes.
Because each has its own laws, the same conduct may sometimes lead to both:
1. A state prosecution, and
2. A federal prosecution.
So, a federal prosecution does not automatically prevent a state from prosecuting the same conduct, and a state prosecution does not automatically bar a later federal case.
The U.S. Supreme Court reaffirmed this rule in Gamble v. United States, 587 U.S. 678 (2019).
However, some states provide broader protections against successive prosecutions than the federal Constitution. That means whether a second prosecution is allowed can also depend on the law of the state involved.
Does Double Jeopardy Mean You Can Never Be Charged Twice?
No. Being charged twice and being placed in jeopardy twice are not necessarily the same thing.
Double jeopardy generally becomes relevant only after jeopardy has legally attached. Prosecutors may therefore sometimes dismiss and refile charges before that point without violating the Fifth Amendment.
1. The outcome also depends on:
2. How the first proceeding ended;
3. Whether the charges constitute the same legal offense;
4. Whether jeopardy had already attached;
5. Whether a mistrial occurred;
6. Whether the defendant successfully appealed;.
7. Whether separate state and federal sovereigns are involved; and
8. Whether state law provides additional protection.
Because these questions can become constitutional appellate issues, defendants challenging a criminal ruling may also need to understand the role of a criminal appeals lawyer.
Conclusion
Double jeopardy does not mean that a person can never face another charge arising from the same conduct. Whether the protection applies depends on factors such as when jeopardy attached, how the first case ended, whether the later charge is legally the same offense, and whether separate state and federal sovereigns are involved.
Because double-jeopardy issues can involve constitutional questions and complex appellate rules, an incorrect ruling may become an important issue on appeal.
If you believe a double-jeopardy violation, constitutional error, or other legal mistake affected your criminal case, Brownstone Law can review the record and assess whether the issue may be raised on appeal. The firm represents clients in state and federal criminal appeals and other appellate matters.
Contact Brownstone Law to discuss your case and possible appellate options.
Note: This article is provided for general informational purposes only and does not constitute legal advice.
Frequently Asked Questions (FAQs)
Q1. When does double jeopardy not apply?
Ans: Double jeopardy does not always prevent a second prosecution. It generally may not apply when:
1. Jeopardy was never legally attached in the first case;
2. A jury could not reach a verdict;
3. A mistrial was declared because of manifest necessity;
4. A conviction was reversed on appeal for certain trial errors;
5. The later charge is legally a different offense; or
6. Separate sovereigns, such as a state and the federal government, prosecute the same conduct.
Whether double jeopardy applies depends on how the first case ended, the offenses charged, and which government is bringing the later prosecution.
Q2. Does double jeopardy apply to civil cases?
Ans. Generally, no. Double jeopardy applies to criminal prosecutions and criminal punishment, not ordinary civil lawsuits.
A person may therefore face both a criminal case and a civil lawsuit arising from the same conduct without automatically violating the Double Jeopardy Clause. For example, conduct that results in criminal charges may also lead to a separate civil claim for damages.
However, in unusual cases, a court may examine whether a penalty labeled as “civil” is actually so punitive that it functions like criminal punishment. This depends on the nature and purpose of the sanction.
Q3. What amendment protects against double jeopardy?
Ans. The Fifth Amendment to the U.S. Constitution protects against double jeopardy, generally preventing a person from being prosecuted twice for the same offense by the same sovereign after jeopardy has attached. In Benton v. Maryland, 395 U.S. 784 (1969), the U.S. Supreme Court held that the Double Jeopardy Clause also applies to state governments through the Fourteenth Amendment
