"Disturbing Case: Pennsylvania Man Shoots and Beheads Father, Posts Video Online"

Justin Mohn, a 32-year-old Pennsylvania man, shot and beheaded his father, a federal employee, before being arrested at a National Guard facility where he intended to mobilize against the government. He posted a gruesome video on YouTube, declaring himself the acting U.S. president and ordering violence against federal employees. Mohn, who had purchased a handgun the day before the murder, showed no history of diagnosed mental health issues but had displayed signs of paranoia in the past. He has been charged with first-degree murder and abuse of a corpse.