Bucks County, Pennsylvania, resident Justin Mohn was sentenced to two consecutive life terms in prison after being found guilty of first-degree murder at trial. The verdict and sentencing concluded Mohn's bench trial in Doylestown Friday morning.

A Bucks County man has been convicted of murdering his father and posting a video online before fleeing to Lebanon County.

Justin Mohn has been found guilty of first-degree murder after he was accused of fatally shooting, then beheading his own father in their Levittown home last year.

The Bucks County man accused of shooting and then beheading his father was found guilty of murder and related crimes and sentenced to life in prison by a judge Friday morning.

In a packed Bucks County courtroom, Justin Mohn calmly explained his motive for killing his dad: "I unfortunately had to use deadly force."

Guilty: Justin Mohn convicted for father's murder

Mohn calmly told a judge Wednesday he had to arrest his father to unravel a “deep state” conspiracy theory designed to keep him poor and living at home with his parents.

Here's what a Bucks County detective said Justin Mohn was researching online before his father was murdered and beheaded.

Justin Mohn explained why he decapitated his dad and showed YouTube, with the killer saying he did it but it wasn't murder