A Superior man who served prison time for a child pornography conviction is facing 20 new child pornography charges in Douglas County Circuit Court.

Brooks Anthony Hanson, 37, pleaded guilty to possession of child pornography and second-degree child sex assault in Douglas County in 2014. He was sentenced to three years in prison and seven years of extended supervision for the child pornography charge and 15 years of probation consecutive for the child sex assault.

Hanson faces 20 new counts of repeater possession of child pornography. The charges were filed Dec. 4 in Douglas County Circuit Court along with a warrant for Hanson, who is incarcerated at the Oshkosh Correctional Institution.

According to the criminal complaint, the charges are the result of a 2017 Lake Superior Forensic Technology and Internet Crimes Against Children Task Force investigation into suspected child pornography being downloaded at a Superior laundromat.

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The laundromat’s internet protocol (IP) address was used to download suspected child pornography in 2017 on Aug. 23, 27, Sept. 2-3 and Sept. 9-10. An investigator with the task force went to the business in plain clothes Sept. 9 and 10 while the IP address indicated someone was in the process of downloading child pornography, according to the complaint. He saw several people, but one man was present both days sitting in a corner of the laundromat with a laptop computer.

Surveillance video showed that the man the investigator had seen with the laptop, identified as Hanson, was present all six dates. When the laundromat IP address indicated suspected child pornography was being downloaded Sept. 16, 2017, Superior police officers executed a search warrant at the business and arrested Hanson.

More than 81,000 still photos and 1,400 videos of suspected child pornography were found on the computer, memory card and three storage devices collected from Hanson’s apartment and the laundromat, according to the complaint.

In spring 2019, a report from the National Center for Missing and Exploited Children indicated 290 image files and 88 video files with known child victims were found on Hanson’s devices.

Hanson was on extended supervision for the 2014 conviction at the time of his arrest. He had been released April 11, 2017, according to a Superior Police Department sex offender release notice.

If convicted, Hanson faces a maximum penalty of 25 years and a fine of up to $100,000 for each count.