Sexually violent person petition; contents; filing.

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WI Code › Chapter 980 › Section 980.02

This text was captured on Aug 14, 2026. It is a snapshot, not a live feed, so check the official code before relying on it.

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(1) A petition alleging that a person is a sexually violent person may be filed by one of the following:

(a) The department of justice at the request of the agency with jurisdiction over the person.

(b) If the department of justice does not file a petition under par. (a) , the district attorney for one of the following:

1. 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 or mental disease, defect or illness.

2. The county in which the person will reside or be placed upon his or her discharge from a sentence, release on parole or extended supervision, or release from imprisonment, from a juvenile correctional facility, as defined in s. 938.02 (10p) , from a residential care center for children and youth, as defined in s. 938.02 (15g) , or from a commitment order.

3. The county in which the person is in custody under a sentence, a placement to a juvenile correctional facility, as defined in s. 938.02 (10p) , or a secured residential care center for children and youth, as defined in s. 938.02 (15g) , or a commitment order.

(1m) A petition filed under this section shall be filed before the person is released or discharged.

(2) A petition filed under this section shall allege that all of the following apply to the person alleged to be a sexually violent person:

(a) The person satisfies any of the following criteria:

1. The person has been convicted of a sexually violent offense.

2. The person has been found delinquent for a sexually violent offense.

3. The person has been found not guilty of a sexually violent offense by reason of mental disease or defect.

(b) The person has a mental disorder.

(c) The person is dangerous to others because the person’s mental disorder makes it likely that he or she will engage in acts of sexual violence.

(3) 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 sub. (2) (a) was an act that was sexually motivated as provided under s. 980.01 (6) (b) , the petition shall state the grounds on which the offense or act is alleged to be sexually motivated.

(4) A petition under this section shall be filed in one of the following:

(a) 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 mental disease or defect.

(am) The circuit court for the county in which the person will reside or be placed upon his or her discharge from a sentence, release on parole or extended supervision, or release from imprisonment, from a juvenile correctional facility, as defined in s. 938.02 (10p) , from a secured residential care center for children and youth, as defined in s. 938.02 (15g) , or from a commitment order.

(b) The circuit court for the county in which the person is in custody under a sentence, a placement to a juvenile correctional facility, as defined in s. 938.02 (10p) , a secured residential care center for children and youth, as defined in s. 938.02 (15g) , or a commitment order.

(5) Notwithstanding sub. (4) , if the department of justice decides to file a petition under sub. (1) (a) , it may file the petition in the circuit court for Dane County.

(6) A court assigned to exercise jurisdiction under chs. 48 and 938 does not have jurisdiction over a petition filed under this section alleging that a person who was adjudicated delinquent as a child is a sexually violent person.

History: 1993 a. 479 ; 1995 a. 77 , 225 ; 1997 a. 27 , 205 , 283 ; 1999 a. 9 ; 2003 a. 187 ; 2005 a. 344 , 434 ; 2007 a. 96 .

This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.

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