(725 ILCS 207/15)
    Sec. 15. Sexually violent person petition; contents; filing.
    (a) A petition alleging that a person is a sexually violent person must be filed before the release or discharge of the person or within 30 days of placement onto parole, aftercare release, or mandatory supervised release for an offense enumerated in paragraph (e) of Section 5 of this Act. A petition may be filed by the following:
        (1) The Attorney General on his or her own motion, after consulting with and advising
    
the State's Attorney of the county in which the person was convicted of a sexually violent offense, adjudicated delinquent for a sexually violent offense or found not guilty of or not responsible for a sexually violent offense by reason of insanity, mental disease, or mental defect; or
        (2) The State's Attorney of the county referenced in paragraph (1)(a)(1) of this
    
Section, on his or her own motion; or
        (3) The Attorney General and the State's Attorney of the county referenced in paragraph
    
(1)(a)(1) of this Section may jointly file a petition on their own motion; or
        (4) A petition may be filed at the request of the agency with jurisdiction over the
    
person, as defined in subsection (a) of Section 10 of this Act, by:
            (a) the Attorney General;
            (b) the State's Attorney of the county referenced in paragraph (1)(a)(1) of this
        
Section; or
            (c) the Attorney General and the State's Attorney jointly.
    (b) A petition filed under this Section shall allege that all of the following apply to the person alleged to be a sexually violent person:
        (1) The person satisfies any of the following criteria:
            (A) The person has been convicted of a sexually violent offense;
            (B) The person has been found delinquent for a sexually violent offense; or
            (C) The person has been found not guilty of a sexually violent offense by reason of
        
insanity, mental disease, or mental defect.
        (2) (Blank).
        (3) (Blank).
        (4) The person has a mental disorder.
        (5) The person is dangerous to others because the person's mental disorder creates a
    
substantial probability that he or she will engage in acts of sexual violence.
    (b-5) The petition must be filed no more than 90 days before discharge or entry into mandatory supervised release from a Department of Corrections or aftercare release from the Department of Juvenile Justice correctional facility for a sentence that was imposed upon a conviction for a sexually violent offense. For inmates sentenced under the law in effect prior to February 1, 1978, the petition shall be filed no more than 90 days after the Prisoner Review Board's order granting parole pursuant to Section 3-3-5 of the Unified Code of Corrections.
    (b-6) The petition must be filed no more than 90 days before discharge or release:
        (1) from a Department of Juvenile Justice juvenile correctional facility if the person
    
was placed in the facility for being adjudicated delinquent under Section 5-20 of the Juvenile Court Act of 1987 or found guilty under Section 5-620 of that Act on the basis of a sexually violent offense; or
        (2) from a commitment order that was entered as a result of a sexually violent offense.
    (b-7) A person convicted of a sexually violent offense remains eligible for commitment as a sexually violent person pursuant to this Act under the following circumstances: (1) the person is in custody for a sentence that is being served concurrently or consecutively with a sexually violent offense; (2) the person returns to the custody of the Illinois Department of Corrections or the Department of Juvenile Justice for any reason during the term of parole, aftercare release, or mandatory supervised release being served for a sexually violent offense; or (3) the person is convicted or adjudicated delinquent for any offense committed during the term of parole, aftercare release, or mandatory supervised release being served for a sexually violent offense, regardless of whether that conviction or adjudication was for a sexually violent offense.
    (c) A petition filed under this Section shall state with particularity essential facts to establish probable cause to believe the person is a sexually violent person. If the petition alleges that a sexually violent offense or act that is a basis for the allegation under paragraph (b)(1) of this Section was an act that was sexually motivated as provided under paragraph (e)(2) of Section 5 of this Act, the petition shall state the grounds on which the offense or act is alleged to be sexually motivated.
    (d) A petition under this Section shall be filed in either of the following:
        (1) The circuit court for the county in which the person was convicted of a sexually
    
violent offense, adjudicated delinquent for a sexually violent offense or found not guilty of a sexually violent offense by reason of insanity, mental disease or mental defect.
        (2) The circuit court for the county in which the person is in custody under a sentence,
    
a placement to a Department of Corrections correctional facility or a Department of Juvenile Justice juvenile correctional facility, or a commitment order.
    (e) The filing of a petition under this Act shall toll the running of the term of parole or mandatory supervised release until:
        (1) dismissal of the petition filed under this Act;
        (2) a finding by a judge or jury that the respondent is not a sexually violent person; or
        (3) the sexually violent person is discharged under Section 65 of this Act.
    (f) The State has the right to have the person evaluated by experts chosen by the State. The agency with jurisdiction as defined in Section 10 of this Act shall allow the expert reasonable access to the person for purposes of examination, to the person's records, and to past and present treatment providers and any other staff members relevant to the examination.
(Source: P.A. 98-558, eff. 1-1-14; 99-628, eff. 1-1-17.)