Prosecution is the process of formally accusing someone of a crime and trying to prove in court that they committed it. When someone breaks a serious law, prosecutors (the lawyers who work for the government) gather evidence and present it to a judge and jury, arguing that the accused person is guilty.

Think of prosecution as one side of a courtroom contest. The prosecution presents witnesses, shows evidence like fingerprints or video footage, and explains why they believe the defendant broke the law. On the other side, defense lawyers argue that their client is innocent or that the prosecution hasn't proven guilt beyond a reasonable doubt.

In American courts, the prosecution must prove someone is guilty: people are presumed innocent until proven otherwise.

You might hear that “the prosecution rested its case” (meaning they've finished presenting their evidence) or that “the prosecution dropped the charges” (meaning they decided not to continue with the case).

The system requires prosecution to be fair and follow strict rules. Prosecutors can't hide evidence that might show innocence, and they must prove guilt convincingly before anyone can be punished for a crime.