How Justin Mohn – accused of beheading his father – went from being named ‘class clown’ TWICE in high school to threatening to sue any girl who ‘brags about sleeping with me’ at Penn State after psychedelic drugs destroyed his brain

Justin Mohn, accused of beheading his own father (right) before exposing his head in a gruesome YouTube video, is pictured grinning in his mugshot after being charged with first-degree murder

Justin Mohn’s former classmates told DailyMail.com that the alleged killer “snapped” after taking “a lot of psychedelic drugs,” including LSD, while studying agronomy at Penn State University.

“It is well known that he has taken a lot of LSD, and it is widely accepted by his friends that it destroyed his brain,” one person told DailyMail.com.

‘He stopped responding to his friends, he just ghosted everyone. After visiting Penn Sate, he would post and delete these paranoid statuses.

“Many of his friends had previously said they wouldn’t be surprised if he killed someone one day.”

On Tuesday, Mohn was arrested and charged with first-degree murder, hours after beheading his father Michael, 68, and showing his head in a YouTube video.

Prior to Mohn’s alleged drug use, he was described as “cocky,” “snobbish,” and “intelligent” during his teenage years, and was even voted class clown in high school.

A friend told DailyMail.com that Mohn was a “genius” who excelled at everything he tried and showed no signs of mental illness.

They added: ‘He was always happy, never angry, never mad. Before he went to college, he never had a fight.”

Yearbook images from Carl Sandburg Middle School and Neshaminy High School show Mohn grinning before taking psychedelic drugs in college

Yearbook images from Carl Sandburg Middle School and Neshaminy High School show Mohn grinning before taking psychedelic drugs in college

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Mohn was named Class Clown two years in a row in high school, as seen in his senior yearbook photo at Neshaminy High School

A friend told DailyMail.com that Mohn was a

A friend told DailyMail.com that Mohn was a “genius” who excelled at everything he tried and showed no signs of mental illness

“It was around 2015 that he started posting paranoid rants, that seems to be when he snapped and started having the same mentality as in his video,” she added.

Mohn's former classmates tell DailyMail.com he took LSD in college and say it 'destroyed his brain'

Mohn’s former classmates tell DailyMail.com he took LSD in college and say it ‘destroyed his brain’

Another friend of his said he “honestly suspected he was going to shoot up a federal building, and then this happened to his father and he was found near the military base.”

Yearbook images from Carl Sandburg Middle School and Neshaminy High School show Mohn grinning after winning Class Clown two years in a row.

The 32-year-old also appeared in a school newspaper as a senior and said his superhero name would be “Hairless Armpit Man.”

Described as athletic but a bit clumsy, he played on the school’s football team for several years.

Mohn even wrote in a friend’s yearbook that they “needed to party sometime” and that they “had to get out of the house again.”

However, friends of Mohn say that he struggled to get a girlfriend all his life, which he complained about in his self-published albums on Spotify.

Mohn began posting paranoid messages on social media as early as 2015, with one threatening to sue any woman who claimed to have slept with him in college in 2018.

“All 40,000 Penn State students already saw me as famous and too cool to show up at my own parties,” Mohn wrote.

“I’m not kidding, I consider it slander and/or a tort if a girl I haven’t slept with brags about sleeping with me. I’m sorry ladies, you’re going to have to think of yourselves as nobody forever.”

Mohn began posting paranoid messages on social media as early as 2015, with one threatening to sue any woman who claimed to have slept with him in college in 2018.

Mohn began posting paranoid messages on social media as early as 2015, with one threatening to sue any woman who claimed to have slept with him in college in 2018.

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Mohn wrote in a friend’s yearbook that they “need to party sometime” and that they “need to get out of the house again”

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In one post, he proclaimed himself “America’s only rightful leader” and targeted FBI Director Chris Wray for being “corrupt” and a “traitor.”

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Mohn, who was a debt collector when he moved to Colorado, wrote an open letter to Congress claiming to work for Microsoft and be a whistleblower for the IRS.

Another strange message depicted the American flag with Mohn's Militia at the top, with three stages on how to join his network

Another strange message depicted the American flag with Mohn’s Militia at the top, with three stages on how to join his network

He also declared himself “America’s only rightful leader” and targeted FBI Director Chris Wray for being “corrupt” and a “traitor.”

In another insane rant, he claimed that any law enforcement agency that didn’t side with him is a “traitor to their country and will burn in hell” for their “betrayal.”

Mohn, who was a debt collector when he moved to Colorado, wrote an open letter to Congress claiming to work for Microsoft and be a whistleblower for the IRS.

Targeting China, he called on the US military to “exterminate the communists as quickly as possible” or the country would “slowly die.”

Another strange message depicted the American flag with Mohn’s Militia at the top, with three stages on how to join his network.

He warned that the invitations came from him and added that all others – even those related to him – were illegitimate.

Michael Mohn was in the Army Corps of Engineers, where he worked as a geoenvironmental engineer in the Philadelphia area. Justin Mohn called his father a traitor to the country for being a federal employee for 20 years.

The force released a statement saying: “We are deeply saddened by the tragic death of our teammate Michael Mohn. Our thoughts and prayers are with the Mohn family and we are focused on supporting our grieving employees during this time’

According to a criminal complaint obtained by DailyMail.com, police were called to the scene after the alleged killer’s shocked mother, Denice, 63, called 911 to report she had found her husband’s decapitated corpse in a bathroom at their home found with a ‘large amount of blood’. around him’.

Michael Mohn was in the Army Corps of Engineers, where he worked as a geoenvironmental engineer in the Philadelphia area.  Justin Mohn called his father a traitor to the country for being a federal employee for 20 years

Michael Mohn was in the Army Corps of Engineers, where he worked as a geoenvironmental engineer in the Philadelphia area. Justin Mohn called his father a traitor to the country for being a federal employee for 20 years

Mohn posted a gruesome YouTube video showing his father's decapitated head

Mohn posted a gruesome YouTube video showing his father’s decapitated head

Justin Mohn's father, Michael, and his mother, Denice.  Michael was found decapitated in a bathroom at the family home on Tuesday

Justin Mohn’s father, Michael, and his mother, Denice. Michael was found decapitated in a bathroom at the family home on Tuesday

Police discovered the man’s head in a plastic bag placed in a cooking pot in a bedroom next to the bathroom, where they retrieved a large kitchen knife and a machete from the bathtub. Detectives also found bloody rubber gloves in a first-floor bedroom.

She reported to police that she had left the house around 2 p.m. that day and that her son and husband were the only ones there.

Police later received information about a 14-minute clip posted to YouTube in which Mohn stated he was the President of the United States and held up his father’s head in a bloody plastic bag while addressing the LGBTQ community, the Black Lives Matter movement, Antifa criticized. and the federal government in general.

Police have said it appears Mohn was reading from a script.

Angela Watson, communications director for the Pennsylvania Department of Military and Veterans Affairs, told DailyMail.com that Mohn was tracked by Middletown police on his cell phone as he traveled across the state.

She said his location first pinged outside the Fort Indiantown Gap military facility, and officers rushed to track him down.

Watson added: “Officers alerted the nearby restaurant and gas station that they were pursuing a suspect and told them to lock their doors.

“He was subsequently located outside the facility, where officers discovered his vehicle, but he was not inside. There was another ping within the installation and at that time the State Police were notified.

‘Mohn was found walking with the installation on one of the main roads and was taken into custody without incident. He was armed with a firearm, and anything he said about his reasons for targeting the area is a question for the prosecutor.”

Fort Indiantown police were notified of his presence in the area at 9 p.m., with Mohn arrested 25 minutes later and spent the night in a holding cell before being transported back to Middletown police.

Mary Jasch, sister of victim Michael, told DailyMail.com: ‘It’s unbelievable. It’s very fresh. We can’t believe it. I can’t even imagine what his (Michael’s) wife is going through. No one can believe it.’