Pennsylvania Man Accused of Beheading Father, Posting Video Online

Justin Mohn attempted to mobilize National Guard against federal government following the gruesome act.

Justin Mohn is accused of beheading his father and posting a video online calling for violence against federal employees.
Mohn legally purchased a 9mm handgun a day before the killing, after surrendering his medical marijuana card.
Authorities arrested Mohn at a National Guard training site, where he attempted to mobilize troops against the federal government.
The video, which garnered over 5,000 views before being removed, showed Mohn holding his father's severed head and issuing a call to arms.
Mohn has no history of diagnosed mental health issues and had previous encounters with police over the years.