What is plea bargaining?
Plea bargaining is a negotiation in which a defendant pleads guilty or cooperates with an investigation, and in return the prosecutor charges a lesser offense or recommends a lighter sentence. It resolves cases without trial and sits at the center of US criminal justice.
- Meaning
- Trading a guilty plea or cooperation for reduced charges or sentence
- Forms
- Charge bargaining, sentence bargaining
- US basis
- Case law (Brady 1970, Santobello 1971, Frye 2012)
- Debate
- Efficiency vs risk of false guilty pleas
Its place in the US
Do most American cases end in jury trials, as courtroom dramas suggest? They do not. In Missouri v. Frye (2012), the Supreme Court noted that 97% of federal convictions and 94% of state convictions result from guilty pleas. It therefore held that defense counsel’s failure to communicate a plea offer can violate the Sixth Amendment right to effective assistance.
| Case | Holding |
|---|---|
| Brady v. U.S. (1970) | A guilty plea induced by hope of leniency is valid if voluntary |
| Santobello v. New York (1971) | Prosecutors must keep promises made in plea agreements |
| Missouri v. Frye (2012) | Failing to convey a formal plea offer is ineffective assistance |
Comparison
| Country | System | Features |
|---|---|---|
| United States | Plea bargaining | Broad negotiation over one’s own guilt and sentence |
| Japan | Agreement system (2018) | Only for cooperation in another person’s case; defense counsel’s consent required; limited to economic, drug, firearms and similar crimes |
| China | Leniency for confession and acceptance of punishment (2018) | Lenient treatment by law; written undertaking signed with counsel or duty lawyer present |
| South Korea | No formal system | No US-style plea bargaining provision in the Criminal Procedure Act |
The debate
Supporters cite reduced court backlogs and insider testimony in organized crime and bribery cases. Critics point to innocent defendants pleading guilty to avoid harsh sentences, cooperators shifting blame, and public discomfort with trading punishment. See US criminal procedure and the exclusionary rule.
Frequently asked questions
- What is plea bargaining?
- A negotiation trading a guilty plea or cooperation for reduced charges or a lighter sentence.
- What share of US convictions come from guilty pleas?
- The Supreme Court in Missouri v. Frye cited 97% federal and 94% state.
- How does Japan’s system differ?
- It applies only to cooperation in someone else’s case and requires defense counsel’s consent.
References
- Brady v. United States, 397 U.S. 742 (1970).
- Santobello v. New York, 404 U.S. 257 (1971).
- Missouri v. Frye, 566 U.S. 134 (2012).
- 刑事訴訟法 第350条の2〜第350条の15（証拠収集等への協力及び訴追に関する合意、2018年6月1日施行）.
- 《中华人民共和国刑事诉讼法》（2018年修正）第十五条、第一百七十四条.