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WI DOJ Agents Partner With Appleton Police Department and Grand Chute Police Department in Internet Crimes Against Children Operation - Matthew A. Jansen Charged


APPLETON — On August 11, 2010, Matthew A. Jansen was charged with one count of possession of child pornography. The criminal complaint was filed after a search warrant was served October 14, 2009 at Matthew A. Jansen's apartment at 2915 West Fourth Street, Grand Chute, WI. The search warrant and later forensic examination of a computer belonging to Jansen identified sexually explicit files of children.


According to the criminal complaint, Jansen admitted to downloading and viewing child pornography on a number of occasions. Officers with the Appleton Police Department and the Grand Chute Police Department assisted DOJ Division of Criminal Investigation agents with the execution of the search warrant.


Questions concerning this case should be directed to the Outagamie County District Attorney's Office.


A defendant enjoys the presumption of innocence. The prosecution must prove its allegations at trial beyond a reasonable doubt.


A copy of the criminal complaint is available at



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