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Illinois Compiled Statutes

Information maintained by the Legislative Reference Bureau
Updating the database of the Illinois Compiled Statutes (ILCS) is an ongoing process. Recent laws may not yet be included in the ILCS database, but they are found on this site as Public Acts soon after they become law. For information concerning the relationship between statutes and Public Acts, refer to the Guide.

Because the statute database is maintained primarily for legislative drafting purposes, statutory changes are sometimes included in the statute database before they take effect. If the source note at the end of a Section of the statutes includes a Public Act that has not yet taken effect, the version of the law that is currently in effect may have already been removed from the database and you should refer to that Public Act to see the changes made to the current law.

CRIMINAL OFFENSES
(720 ILCS 5/) Criminal Code of 2012.

720 ILCS 5/31-4.5

    (720 ILCS 5/31-4.5)
    Sec. 31-4.5. Obstructing identification.
    (a) A person commits the offense of obstructing identification when he or she intentionally or knowingly furnishes a false or fictitious name, residence address, or date of birth to a peace officer who has:
        (1) lawfully arrested the person;
        (2) lawfully detained the person; or
        (3) requested the information from a person that the
    
peace officer has good cause to believe is a witness to a criminal offense.
    (b) Sentence. Obstructing identification is a Class A misdemeanor.
(Source: P.A. 96-335, eff. 1-1-10.)

720 ILCS 5/31-5

    (720 ILCS 5/31-5) (from Ch. 38, par. 31-5)
    Sec. 31-5. Concealing or aiding a fugitive.
    (a) Every person not standing in the relation of husband, wife, parent, child, brother or sister to the offender, who, with intent to prevent the apprehension of the offender, conceals his knowledge that an offense has been committed or harbors, aids or conceals the offender, commits a Class 4 felony.
    (b) Every person, 18 years of age or older, who, with intent to prevent the apprehension of the offender, aids or assists the offender, by some volitional act, in fleeing the municipality, county, State, country, or other defined jurisdiction in which the offender is to be arrested, charged, or prosecuted, commits a Class 4 felony.
(Source: P.A. 97-741, eff. 1-1-13.)

720 ILCS 5/31-6

    (720 ILCS 5/31-6) (from Ch. 38, par. 31-6)
    Sec. 31-6. Escape; failure to report to a penal institution or to report for periodic imprisonment.
    (a) A person convicted of a felony or charged with the commission of a felony, or charged with or adjudicated delinquent for an act which, if committed by an adult, would constitute a felony, who intentionally escapes from any penal institution or from the custody of an employee of that institution commits a Class 2 felony; however, a person convicted of a felony, or adjudicated delinquent for an act which, if committed by an adult, would constitute a felony, who knowingly fails to report to a penal institution or to report for periodic imprisonment at any time or knowingly fails to return from furlough or from work and day release or who knowingly fails to abide by the terms of home confinement is guilty of a Class 3 felony.
    (b) A person convicted of a misdemeanor or charged with the commission of a misdemeanor, or charged with or adjudicated delinquent for an act which, if committed by an adult, would constitute a misdemeanor, who intentionally escapes from any penal institution or from the custody of an employee of that institution commits a Class A misdemeanor; however, a person convicted of a misdemeanor, or adjudicated delinquent for an act which, if committed by an adult, would constitute a misdemeanor, who knowingly fails to report to a penal institution or to report for periodic imprisonment at any time or knowingly fails to return from furlough or from work and day release or who knowingly fails to abide by the terms of home confinement is guilty of a Class B misdemeanor.
    (b-1) A person in the custody of the Department of Human Services under the provisions of the Sexually Violent Persons Commitment Act under a detention order, commitment order, conditional release order, or other court order who intentionally escapes from any secure residential facility or from a Department employee or any of its agents commits a Class 2 felony.
    (c) A person in the lawful custody of a peace officer for the alleged commission of a felony offense or an act which, if committed by an adult, would constitute a felony, and who intentionally escapes from custody commits a Class 2 felony; however, a person in the lawful custody of a peace officer for the alleged commission of a misdemeanor offense or an act which, if committed by an adult, would constitute a misdemeanor, who intentionally escapes from custody commits a Class A misdemeanor.
    (c-5) A person in the lawful custody of a peace officer for an alleged violation of a term or condition of probation, conditional discharge, parole, aftercare release, or mandatory supervised release for a felony or an act which, if committed by an adult, would constitute a felony, who intentionally escapes from custody is guilty of a Class 2 felony.
    (c-6) A person in the lawful custody of a peace officer for an alleged violation of a term or condition of supervision, probation, or conditional discharge for a misdemeanor or an act which, if committed by an adult, would constitute a misdemeanor, who intentionally escapes from custody is guilty of a Class A misdemeanor.
    (d) A person who violates this Section while armed with a dangerous weapon commits a Class 1 felony.
(Source: P.A. 98-558, eff. 1-1-14; 98-770, eff. 1-1-15.)

720 ILCS 5/31-7

    (720 ILCS 5/31-7) (from Ch. 38, par. 31-7)
    Sec. 31-7. Aiding escape.
    (a) Whoever, with intent to aid any prisoner in escaping from any penal institution, conveys into the institution or transfers to the prisoner anything for use in escaping commits a Class A misdemeanor.
    (b) Whoever knowingly aids a person convicted of a felony or charged with the commission of a felony, or charged with or adjudicated delinquent for an act which, if committed by an adult, would constitute a felony, in escaping from any penal institution or from the custody of any employee of that institution commits a Class 2 felony; however, whoever knowingly aids a person convicted of a felony or charged with the commission of a felony, or charged with or adjudicated delinquent for an act which, if committed by an adult, would constitute a felony, in failing to return from furlough or from work and day release is guilty of a Class 3 felony.
    (c) Whoever knowingly aids a person convicted of a misdemeanor or charged with the commission of a misdemeanor, or charged with or adjudicated delinquent for an act which, if committed by an adult, would constitute a misdemeanor, in escaping from any penal institution or from the custody of an employee of that institution commits a Class A misdemeanor; however, whoever knowingly aids a person convicted of a misdemeanor or charged with the commission of a misdemeanor, or charged with or adjudicated delinquent for an act which, if committed by an adult, would constitute a misdemeanor, in failing to return from furlough or from work and day release is guilty of a Class B misdemeanor.
    (d) Whoever knowingly aids a person in escaping from any public institution, other than a penal institution, in which he is lawfully detained, or from the custody of an employee of that institution, commits a Class A misdemeanor.
    (e) Whoever knowingly aids a person in the lawful custody of a peace officer for the alleged commission of a felony offense or an act which, if committed by an adult, would constitute a felony, in escaping from custody commits a Class 2 felony; however, whoever knowingly aids a person in the lawful custody of a peace officer for the alleged commission of a misdemeanor offense or an act which, if committed by an adult, would constitute a misdemeanor, in escaping from custody commits a Class A misdemeanor.
    (f) An officer or employee of any penal institution who recklessly permits any prisoner in his custody to escape commits a Class A misdemeanor.
    (f-5) With respect to a person in the lawful custody of a peace officer for an alleged violation of a term or condition of probation, conditional discharge, parole, aftercare release, or mandatory supervised release for a felony, whoever intentionally aids that person to escape from that custody is guilty of a Class 2 felony.
    (f-6) With respect to a person who is in the lawful custody of a peace officer for an alleged violation of a term or condition of supervision, probation, or conditional discharge for a misdemeanor, whoever intentionally aids that person to escape from that custody is guilty of a Class A misdemeanor.
    (g) A person who violates this Section while armed with a dangerous weapon commits a Class 2 felony.
(Source: P.A. 98-558, eff. 1-1-14.)