Iowa
Northeastern Iowa man sentenced to 120 years in prison for child sexual abuse
ALLAMAKEE COUNTY, Iowa (KCRG) – A Waterville man was sentenced to 120 years in prison Tuesday after authorities say he potentially committed more than 100 acts of sexual abuse.
54-year-old Jonathon Hilleshiem was convicted of four counts of second-degree sexual abuse, lascivious acts with a child, and sexual exploitation of a minor – possess depiction of a minor in sex act.
Hilleshiem was initially charged with four counts of sexual abuse in the second degree and one count of lascivious acts with a child in July 2025.
In August 2025, police executed search warrants and additionally charged Hilleshiem with one count of sexual exploitation of a minor – possess depiction of a minor in sex act.
As part of the investigation, the child spoke to authorities about the abuse.
A criminal complaint shows authorities believe there may be more than 100 acts of sexual abuse that occurred between 2014 and 2020.
Hilleshiem was also sentenced to lifetime supervision by the Iowa Department of Corrections and must register as a sex offender.
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