Mabry v. Johnson

1984-06-11
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Headline: Criminal plea deals: Court ruled that accepting a prosecutor’s pre-plea offer does not create a constitutional right to force that promise, allowing prosecutors to withdraw offers before a knowing guilty plea.

Holding: The Court ruled that a defendant does not have a constitutional right to force enforcement of a prosecutor’s withdrawn plea offer when the defendant later pleaded guilty fully aware of the actual sentence recommendation.

Real World Impact:
  • Allows prosecutors to withdraw plea offers before guilty pleas are entered.
  • Limits defendants’ ability to force specific enforcement of withdrawn plea offers.
  • Affects how defense lawyers advise clients during plea negotiations.
Topics: plea bargaining, prosecutor promises, criminal sentencing, due process

Summary

Background

A man who had been one of the burglars was serving concurrent prison terms for burglary and assault. After his murder conviction was set aside, state prosecutors and his lawyer negotiated a plea. A prosecutor first offered to recommend a 21-year sentence to run concurrently with his existing sentences; the defendant agreed through his lawyer, but the prosecutor then withdrew that offer and proposed a 21-year sentence to run consecutively. The defendant initially rejected the new offer and went to trial; after a mistrial he later accepted the consecutive 21-year plea and the trial judge imposed that consecutive sentence. After exhausting state remedies, he filed a federal habeas petition arguing he had a right to enforce the original offer.

Reasoning

The Court considered whether accepting a prosecutor’s proposed plea creates a constitutional right to have the prosecutor kept to that promise. The Justices said plea bargains alone do not create constitutional rights until a defendant pleads guilty. Citing prior decisions, the Court explained that a guilty plea is valid so long as it is voluntary and informed, and that only broken promises that actually induced the plea can make a plea unfair. Here the defendant pleaded guilty knowing the prosecutor would recommend a consecutive 21-year sentence, so his plea was voluntary and intelligent. The Court held there was no due-process violation and reversed the court of appeals.

Real world impact

The decision means that prosecutors may retract pre-plea offers without creating a constitutional right to enforce them, unless a defendant’s guilty plea was actually induced by an unfulfilled promise. It affects criminal defendants, defense lawyers, and prosecutors negotiating plea deals.

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