What police found when they arrested Levittown beheading suspect at Fort Indiantown Gap

Matthew Toth and Danielle Camilli, Bucks County Courier Times
Updated ·2 min read

A Bucks County man was arrested inside Fort Indiantown Gap late Tuesday evening after police say he severed his father's head and posted it on YouTube. Officials said he jumped the fence at the large military facility and was armed when taken into custody.

Justin Mohn, 32, was charged Wednesday in the death of his 68-year-old father, Michael Mohn, whose decapitated body was found in a bathroom of his Middletown home Tuesday evening.

He was found in Lebanon County, some two hours away from Levittown, after the killing and online posting where he called on militia to take up arms and kill "all federal employees," according to police.

Construction of the main access control point at Fort Indiantown Gap has been completed, located on Fisher Ave near its intersection with Biddle Drive.
Construction of the main access control point at Fort Indiantown Gap has been completed, located on Fisher Ave near its intersection with Biddle Drive.

On Wednesday afternoon, authorities confirmed Michael Mohn, was a retired civil engineer with the Army Corps of Engineers.

Justin Mohn of Levittown is captured in this screenshot of the gruesome YouTube video he allegedly made after beheading his father in Levittown on Tuesday, Jan. 30, 2024.
Justin Mohn of Levittown is captured in this screenshot of the gruesome YouTube video he allegedly made after beheading his father in Levittown on Tuesday, Jan. 30, 2024.

"I'm the commander of America's national network of militias, which you may know of as Mohn's militia," he said.

"...  I ask America's police, state, National Guard, and military veterans to join your countrymen against the traders and the federal government," Mohn said in th video.

Hours later he was found inside the installation armed, officials said.

The Fort Indiantown Gap Police Department was contacted by Bucks County authorities Tuesday night, alerting them that they had pinged Mohn's cellphone in the area. Angela Watson, communications director for the Pennsylvania Department of Military and Veterans Affairs, said officers found his vehicle outside one of the fences.

"We were contacted again with another ping on his cellphone that was inside the installation," she said. "He had jumped one of the fences and was apprehended on foot here at the installation without incident."

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Watson added that Mohn was armed at the time of his arrest, but did not provide further detail. He was being held by Gap police until Bucks County officers picked him up Wednesday morning.

Police have not identified a reason why Mohn was at the installation as of Wednesday morning.

What is Fort Indiantown Gap?

The sprawling installation is the nation's "busiest" National Guard Training Center," according to its website.

Fort Indiantown Gap's state mission is to provide "warfighters from all branches and components of our nation's armed forces with "commander-centric" training support."

The installation includes "training facilities ... for all types of units, preparing for nearly any contingency around the globe.  Law enforcement and other homeland defense professionals are also able to develop and execute challenging training at our installation," according to its website.

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This article originally appeared on Bucks County Courier Times: Justin Mohn fled to military-installation after beheading father