Criminal Law and Procedure

This section explains the vocabulary readers meet in criminal investigations, charging decisions, constitutional safeguards, trial standards, conviction, and sentencing.

Use it to understand how a case moves from suspicion and probable cause through charging, arraignment, bail, plea discussions, trial protections, and post-verdict consequences.

Key topics in this section include:

• Criminal Charge
• Felony
• Misdemeanor
• Probable Cause
• Reasonable Suspicion
• Grand Jury
• Indictment
• Arraignment
• Bail
• Plea Bargain
• Miranda Rights
• Self-Incrimination
• Exclusionary Rule
• Motion to Suppress
• Reasonable Doubt
• Presumption of Innocence
• Double Jeopardy
• Conviction
• Sentencing

If you need the adjacent evidence concepts that shape criminal trials, continue into Evidence and Trial Practice.

In this section

• Arraignment in Criminal Court
  An arraignment is an early court appearance where charges are presented and the defendant is asked to enter a plea.
• Bail in Criminal Procedure
  Bail is the mechanism courts use to decide whether a defendant may remain out of custody while a criminal case is pending and on what conditions.
• Conviction in Criminal Law
  A conviction is the formal finding that a defendant is guilty of a criminal offense.
• Criminal Charge in Prosecution Practice
  A criminal charge is the formal accusation that a person committed a crime.
• Double Jeopardy Protection in Criminal Law
  Double jeopardy is the constitutional protection against being prosecuted or punished more than once in certain ways for the same offense.
• Exclusionary Rule in Criminal Procedure
  The exclusionary rule is the principle that some evidence obtained in violation of constitutional protections may be kept out of court.
• Felony in U.S. Criminal Law
  A felony is a more serious category of crime that usually carries heavier penalties and more formal criminal procedure consequences than a misdemeanor.
• Grand Jury in Criminal Procedure
  A grand jury is a body that evaluates whether sufficient grounds exist to bring certain criminal charges.
• Indictment in Criminal Procedure
  An indictment is a formal criminal charge, often issued after grand jury review, accusing a person of a serious offense.
• Miranda Rights in U.S. Criminal Procedure
  Miranda rights are the warnings police must generally give before custodial interrogation so a suspect understands key constitutional protections.
• Misdemeanor in U.S. Criminal Law
  A misdemeanor is a lower-level criminal offense that usually carries lighter penalties and fewer severe collateral consequences than a felony.
• Motion to Suppress in Criminal Cases
  A motion to suppress asks the court to exclude evidence that was obtained or handled in violation of legal rules.
• Plea Bargain in Criminal Cases
  A plea bargain is a negotiated criminal-case resolution in which the defendant agrees to plead guilty or no contest under agreed terms.
• Presumption of Innocence in Criminal Law
  The presumption of innocence means a defendant starts a criminal case as legally not proved guilty unless the prosecution meets its burden.
• Probable Cause in Criminal Procedure
  Probable cause is the level of factual justification that usually supports arrests, search warrants, and some criminal charging decisions.
• Reasonable Doubt in Criminal Cases
  Reasonable doubt is the level of uncertainty that prevents a criminal conviction under the highest standard of proof.
• Reasonable Suspicion in Criminal Procedure
  Reasonable suspicion is a lower legal threshold than probable cause and can justify limited investigative police action in some circumstances.
• Search Warrant in Criminal Procedure
  A search warrant is a judicial authorization allowing law enforcement to search a place, person, or item for evidence based on probable cause.
• Self-Incrimination and the Right to Remain Silent
  Self-incrimination refers to being compelled to provide testimony or statements that could help establish one's own criminal liability.
• Sentencing After Conviction
  Sentencing is the stage of a criminal case in which the court determines the punishment or other consequences after conviction.