A statute of limitations defines the timeframe in which criminal charges must be filed. The statute of limitations will vary by the type of crime. It should be noted that more severe criminal offenses, such as murder, rape, manslaughter, aggravated sexual assault, and child kidnapping, may be prosecuted at any time. Because laws pertaining to the criminal statute of limitations in Utah are ever-changing, your best bet is to consult with criminal justice lawyers who are privy to the most up-to-date information.