Also known as: Blockburger test · same elements test · Blockburger rule · Blockburger · same-elements test · Blockburger double jeopardy test
Written by attorneys · grounded in primary & secondary sources — see below
A doctrinal framework that treats two offenses as distinct for double jeopardy purposes whenever each requires proof of an element the other does not.
Maria Lopez directed hospital staff to alter patient records for higher Medicaid payments. State prosecutors convicted her of falsifying business records. Federal authorities later charged her with mail fraud arising from the same billing submissions. The court denied her double jeopardy motion because the federal charge required proof of mail use that the state offense did not.
Brooke Bryant pleaded guilty to unlawful reentry after prior deportation. The government sought an enhanced sentence based on her earlier felony convictions. Bryant argued the prior convictions created a new offense requiring jury proof. The court rejected the claim and treated recidivism as a sentencing factor rather than a separate element.
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Brian Bailey and several associates were charged with conspiracy to distribute narcotics. Prosecutors also filed substantive distribution counts based on the same transactions. Bailey moved to dismiss the substantive counts as the same offense. The court denied the motion because each count required proof of an element absent from the other.
Beatrice Brown was convicted of bank fraud and later faced a civil penalty action for the same transactions. Brown claimed the civil proceeding constituted a second punishment. The court permitted the penalty because the civil sanction was not criminal punishment under the double jeopardy analysis.
Benito Benitez completed his prison term for sexual offenses and faced civil commitment proceedings. Benitez argued the commitment amounted to additional punishment for the same crimes. The court upheld the proceeding because the confinement was civil rather than punitive.
Bianca Blanco was acquitted of receiving stolen property. Prosecutors later introduced the same underlying facts to prove a different offense at her new trial. Blanco sought to exclude the evidence on double jeopardy grounds. The court admitted the evidence because the offenses were not the same under the elements test.
The test examines only the statutory elements of each offense. Two crimes are distinct if each requires proof of a fact the other does not, regardless of factual overlap or identical evidence.
Yes. The Double Jeopardy Clause bars successive prosecution for the same offense, not the same conduct. When each crime contains an element the other lacks, separate prosecutions are permitted even though they stem from one episode.
No. Overlapping proof does not control the analysis. The government may rely on the same documents and witnesses to prove two distinct crimes provided each offense requires at least one element the other does not.
An acquittal on one offense does not bar prosecution for a second offense if the statutory elements differ. The test remains focused on the definitions of the crimes rather than the identity of the underlying facts.
…separate prosecution, if it is for an aggravated offense, likely would be barred altogether by the Double Jeopardy Clause. Blockburger v. United States , 284 U. S. 299 (1932) (government cannot prosecute for separate offenses unless each offense has at least one element that the other does not). The majority may be…