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Justice News

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

Friday, August 9, 2013

Suburban Man Sentenced To 12½ Years In Federal Prison For Transporting Child Pornography

CHICAGO — A La Grange Park man who had amassed a collection of tens of thousands of images and videos of child pornography was sentenced today to 12½ years in federal prison for transporting child pornography via computer. The defendant, NATHAN ARGER, 34, who was arrested in September 2011 when federal agents searched his residence, has remained in federal custody since he pleaded guilty in August 2012.

Arger was sentenced to 151 months in prison, followed by five years of supervised release, by U.S. District Judge Amy J. St. Eve. He must serve at least 85 percent of his federal sentence before he is eligible for release and there is no parole in the federal prison system. Transporting child pornography carries a mandatory minimum sentence of five years and a maximum of 20 years in prison.

Arger was a part-time employee of Lyons Township High School in La Grange. There were no allegations that he engaged in any illegal activity involving students or the school’s technology equipment.

According to court records, in July 2011, an undercover FBI agent signed onto an account on a peer-to-peer computer network, and observed that an individual using the screen name “Mrdizzle420” was logged into the file-sharing network. The agent browsed Mrdizzle420’s shared directories and downloaded files, which depicted child pornography, including numerous images involving known child victims identified by the National Center for Missing and Exploited Children (NCMEC) as a result of previous unrelated investigations.

FBI agents subsequently linked the shared files to an internet account at Arger’s residence. Ultimately, Arger was found to possess approximately 66,895 images and 2,943 videos of child pornography on a desktop computer and an auxiliary hard-drive. Agents also found non-pornographic photographs of a prepubescent girl who was partially nude and videos that depicted Arger with a different girl.

“[Arger] cataloged and stored a staggering number of images and videos of child pornography, the majority of which involved prepubescent children and some of which were clearly sadistic or masochistic in nature,” the government wrote in a sentencing memo.

The investigation was conducted by the FBI’s Child Exploitation Task Force. The task force is part of a nationwide effort known as the Innocence Lost National Initiative targeting those involved in the commercial sexual exploitation of children in the United States. In Chicago, the CETF is comprised of FBI special agents and officers and investigators from the Chicago Police Department, the Cook County Sheriff's Office, and the Cook County State’s Attorney’s Office.

The sentence was announced by Gary S. Shapiro, United States Attorney for the Northern District of Illinois, and Cory B. Nelson, Special Agent-in-Charge of the Chicago Office of the Federal Bureau of Investigation.

The government was represented by Assistant U.S. Attorney Naana Frimpong.

Updated July 23, 2015