Baltimore, Maryland – U.S. District Judge Stephanie A. Gallagher today sentenced Mathew Palmer, age 44, of Severna Park, Maryland, to eight years in federal prison, followed by 20 years of supervised release, for distribution of child pornography.  Judge Gallagher also ordered that, upon his release from prison, Palmer must register as a sex offender where he resides, is an employee, and is a student pursuant to the sex offender registration and nonfiction act (SORNA).  At the time of the conduct, Palmer held positions with the Maryland state government, including as Deputy Legislative Officer for the Maryland Governor’s Office and Chief Operating Officer with the Maryland Department of Commerce.

The sentence was announced by Acting United States Attorney for the District of Maryland Jonathan F. Lenzner; Special Agent in Charge James R. Mancuso of Homeland Security Investigations (HSI) Baltimore; and Colonel Woodrow W. Jones III, Superintendent of the Maryland State Police.

“Individuals like Palmer who trade and possess this illegal material online are essentially facilitating an underground criminal marketplace that endangers children,” said Acting United States Attorney Jonathan F. Lenzner.  “This case should serve as a reminder that law enforcement will bring to justice anyone who endangers children.  No one is above the law.”

“HSI tirelessly investigates crimes involving the online sexual exploitation of minors with every resource at our disposal.” said Special Agent in Charge James Mancuso, for the Baltimore Field Office. “We will continue to ensure any individual that participates in any form of child pornography will be held to the same accountability for these deplorable acts.”

According to his plea agreement, investigators at HSI received reports from an instant messenger application advising that multiple accounts using similar usernames, that all included “anonjohnny” as part of the name, had uploaded at least one image of child pornography or child-sensitive material between April 2019 and September 2019.  Each time the application detected the child exploitative material, it shut down the offending account.

The investigation revealed that the same Internet Protocol address (IP address) was used to access the five “anonjohnny” accounts and was serviced by the same cellular service provider registered under Palmer’s  phone number, e-mail address, and home address in Severna Park, Maryland.   The records showed that the messaging application account had also been accessed by IP addresses that resolved to the State of Maryland, demonstrating that the user was accessing the materials from state government Internet services.

On August 11, 2020, investigators executed a search warrant at Palmer’s residence in Severna Park and seized several electronic devices, including Palmer’s laptop and personal cell phone.  Palmer’s cell phone was also linked to his office e-mail address.   Palmer’s phone was logged into a new “anonjohnny” account on the instant messaging application.  Palmer admitted that he used this account to engage in chats with several other users concerning child exploitation.

For example, in a conversation with one user, in his very first message Palmer said, “Hi I have naughty thoughts about my teen daughters.”  Palmer then sent the user images of two minor girls whom Palmer represented were his daughters.  In fact, these minor children were not Palmer’s children.  In a conversation with a second user, Palmer stated that his preference was for children aged eight and up.  Palmer again sent pictures of two minor girls, falsely representing to the second user that they were his own daughters.

At least 936 images and 368 videos of child pornography were found on Palmer’s cell phone, including prepubescent minors; child pornography involving toddlers; and child pornography involving bondage and other sadistic acts.

In addition to possessing hundreds of images and videos constituting child pornography, Palmer admitted that he both received and distributed child pornography.  Palmer had an application on his phone which is used to send covert and encrypted messages.  Palmer possessed two additional videos of child pornography on that application, and the evidence showed that Palmer used that application to distribute a video of child pornography to a chat group of 58 people.  Palmer’s phone also included several links under the “notes” section to active child pornographic websites. 

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 Attorney’s 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 “Resources” tab on the left of the page.         

Acting United States Attorney Jonathan F. Lenzner commended HSI and the Maryland State Police for their work in the investigation.  Acting U.S. Attorney Lenzner thanked Assistant U.S. Attorney Daniel A. Loveland, Jr., who prosecuted the federal case.

For more information on the Maryland U.S. Attorney’s Office, its priorities, and resources available to help the community, please visit and

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