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Criminal procedure isn't just a checklist—it's the constitutional framework that balances two competing interests: the government's power to prosecute crimes and the individual's fundamental rights. Every step you'll study here connects directly to amendments you've already learned (Fourth, Fifth, Sixth, Eighth, and Fourteenth), and exam questions frequently ask you to identify which constitutional protection applies at which stage. Understanding the sequence matters because rights attach at specific moments, and violations at one stage can invalidate everything that follows.
You're being tested on your ability to recognize due process in action: when probable cause is required versus proof beyond a reasonable doubt, when the right to counsel attaches, and how the adversarial system creates checks on government power. Don't just memorize the order of steps—know what constitutional principle each step protects and what happens when that protection fails.
These early stages occur before formal charges are filed. The key principle here is probable cause—the reasonable belief, based on facts, that a crime has been committed and the suspect committed it. This is a lower standard than trial proof but higher than mere suspicion.
Compare: Arrest vs. Booking—both occur before formal charges, but arrest requires probable cause while booking is purely administrative. If an FRQ asks about Fourth Amendment protections, focus on the arrest; booking procedures rarely raise constitutional issues.
Once the accused enters the court system, judicial review of the government's actions begins. The Sixth Amendment right to counsel attaches at these "critical stages," and the Eighth Amendment's prohibition on excessive bail becomes relevant.
Compare: Preliminary Hearing vs. Grand Jury—both determine whether charges proceed, but preliminary hearings are adversarial (defense can participate) while grand juries are prosecutorial tools. Many states use one or the other; the federal system requires grand jury indictment for felonies.
After charges are formally filed, the system creates opportunities for case resolution without trial. Over 90% of criminal cases end through plea bargaining, making this stage statistically more important than trial itself.
Compare: Arraignment vs. Initial Appearance—both involve appearing before a judge, but initial appearance focuses on bail and informing the defendant of rights, while arraignment is where the formal plea is entered. Confusing these is a common exam error.
Trial represents the full expression of Sixth Amendment protections: the right to a speedy and public trial, an impartial jury, confrontation of witnesses, compulsory process for obtaining favorable witnesses, and assistance of counsel.
Compare: Jury Trial vs. Bench Trial—defendants may waive jury trial and opt for a judge to decide guilt. This strategic choice often depends on case complexity, community sentiment, or the nature of the evidence. Both require proof beyond a reasonable doubt.
After a guilty verdict, the focus shifts from determining guilt to imposing appropriate punishment and ensuring legal errors can be corrected. The Eighth Amendment (cruel and unusual punishment) and due process protections remain active.
Compare: Trial Court vs. Appellate Court—trial courts find facts and apply law; appellate courts only review whether the law was correctly applied. An appeal is not a "do-over"—it's a check on legal error, which is why preserving objections at trial matters.
| Concept | Best Examples |
|---|---|
| Fourth Amendment (Search/Seizure) | Arrest, Pre-trial motion to suppress |
| Fifth Amendment (Self-Incrimination/Grand Jury) | Miranda at arrest, Grand jury indictment |
| Sixth Amendment (Fair Trial Rights) | Initial appearance, Arraignment, Trial |
| Eighth Amendment (Bail/Punishment) | Initial appearance (bail), Sentencing |
| Probable Cause Standard | Arrest, Preliminary hearing |
| Beyond Reasonable Doubt Standard | Trial |
| Right to Counsel Attachment | Initial appearance through appeal |
| Case Resolution Without Trial | Plea bargaining, Pre-trial motions |
At which two stages must the government demonstrate probable cause, and how do those determinations differ in who makes them?
Compare and contrast the preliminary hearing and grand jury indictment—what constitutional amendment requires grand jury indictment, and why might a defendant prefer a preliminary hearing?
A defendant's confession was obtained without Miranda warnings. At which stage would defense counsel challenge this, and what doctrine would they invoke?
Which constitutional amendments are implicated at sentencing, and what specific protections do they provide?
If an FRQ asks you to trace the Sixth Amendment right to counsel through criminal procedure, at which stage does it attach, and which stages are considered "critical" requiring counsel's presence?