720 ILCS 5/31-7
2021 Illinois Compiled Statutes|Chapter 720 - CRIMINAL OFFENSES|720 ILCS 5/ - Criminal Code of 2012.|Title III - Specific Offenses

 (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.)