Video shows Joseph Stetson refusing to hand over his gun, and he threatened to murder police as he was being arrested for driving under the influenceOregon police have arrested a man after he said he wanted to join Ammon Bundy’s armed militia occupying a wildlife refuge and intended to “help with killing federal agents”.Joseph Stetson, 54, was armed with a pellet gun and on his way to join the protests at the Malheur national wildlife refuge when Oregon state police stopped him and eventually arrested him for driving under the influence of alcohol, according to local prosecutors.