If found guilty of unlawful restraint, it is a Class 4 felony. If so, that would be perjury and I believe the maximum penalty is five years in prison.False imprisonment occurs when a person intentionally and illegally restrains another person's ability to move freely. A prisoner's release date was recalculated because of inaccurate information about how much time he had served in the county jail for theft. Consecutive sentencing is how some defendants can really can rack up huge sentences. We're talking 60 to 100 years in prison because of consecutive sentences. In Illinois, the statute of limitations for false imprisonment allows a two-year timeframe to file a lawsuit against another party for compensation. False imprisonment occurs when a person intentionally and illegally restrains another person's ability to move freely. Imprisonment: A sentence ranging from 1 to 3 years in state prison. Obstructing justice in relation to street gang activity, as defined in Section 10 of Illinois Streetgang Terrorism Omnibus Prevention Act, is a Class 3 felony.