Jailhouse letter written by Capitol rioter who threatened to shoot his own son for calling cops claims insurrectionists COULD have toppled government 'if they wanted to'
Guy Reffitt, an accused Capitol rioter, wrote a letter from a Washington D.C. jail where other alleged rioters are held
'If overthrow was the quest, it would have no doubt been overthrown,' he wrote in the letter, which was exclusively obtained by ProPublica
The letter was included in its entirety in the federal criminal case against Reffitt
Reffitt made headlines in January after he allegedly threatened to kill his teenage son for calling police on him