You are here

Justice News

Department of Justice
U.S. Attorney’s Office
Northern District of Iowa

Friday, May 19, 2017

Mason City Man Pleads Guilty to Possession of Child Pornography

A man who possessed child pornography pled guilty today in federal court in Cedar Rapids.


Jeffery Landheer, age 46, from Mason City, Iowa, was convicted of one count of possession of child pornography. At the plea hearing, Landheer admitted that, between 2009 and 2016, he knowingly possessed child pornography on a computer hard drive.


Sentencing before United States District Court Judge Linda R. Reade will be set after a presentence report is prepared. Landheer was taken into custody by the United States Marshal after the guilty plea and will remain in custody pending sentencing. Landheer faces a possible maximum sentence of 20 years’ imprisonment, a $250,000 fine, $5,100 in special assessments, and supervised release for 5 years to life following any imprisonment.


This case is being prosecuted by Assistant United States Attorney Mark Tremmel and was investigated by the Mason City Police Department.


This case was brought as part of Project Safe Childhood, a nationwide initiative launched in May 2006 by the Department of Justice to combat the growing epidemic of child sexual exploitation and abuse. Led by the United States Attorneys’ Offices and the Criminal Division’s Child Exploitation and Obscenity Section, Project Safe Childhood marshals federal, state, and local resources to locate, apprehend, and prosecute individuals who sexually exploit children, and to identify and rescue victims. For more information about Project Safe Childhood, please visit For more information about Internet safety education, please visit and click on the tab “resources.”


Court file information is available at The case file number is CR 17-3011.


Follow us on Twitter @USAO_NDIA.

Project Safe Childhood
Updated May 19, 2017