A not guilty verdict on all charges normally ends a criminal case—the prosecution cannot appeal an acquittal. A guilty verdict on some or all charges, however, doesn’t necessarily mean the case is over.
Criminal defendants generally can't appeal lawful sentences. But a defendant can appeal a sentence if it's illegal, unconstitutional, or unreasonably excessive.
Appeals and the Writ of Habeas Corpus FAQ
Criminal defendants who think they've been wrongfully convicted of a crime have a number of options: appeals, writs, and habeas corpus.
How Does the U.S. Supreme Court Work?
Learn about the kinds of cases the U.S. Supreme Court hears, how the Court chooses the cases it will decide, and the steps in the Court's decision-making process.