A Washington County man turned himself in Friday morning after police searched and seized several illegal rifles and shotguns from his Sharpsburg home.
Police say Terry Porter, 46, faces multiple charges. Investigators returned to his home Friday and retrieved another rifle and shotgun.
Police SWAT teams shut down the rural Mills Road outside Sharpsburg for hours Thursday, but Porter was nowhere to be found.
A source tells ABC7 Porter is a "Doomsday prepper," someone who wants to be armed and ready should society deteriorate.
Maryland State Police say officers were serving a warrant on him.
Officers were acting on a tip that Porter owned guns even though he was not allowed to do so.
Police couldn't say Thursday night what had led to the man being banned from owning guns.
Police raided the home in the early afternoon and did not leave the area until after 8 p.m.
Neighbors say Porter is known for not liking the government and being prepared to defend his family, but they also say he is a nice man who is very well-liked in the area.
"He would do anything in the world for his neighbors," said Don Hammersla. "I'm very sorry to see the situation. I hope he's okay, and I hope his family's going to be okay through this."
A huge amount of law enforcement officers showed up at the scene Thursday afternoon. They included state and local officers as well as the FBI.
Police say several SWAT teams had been doing a training exercise not far away when they were called in to help execute the warrant.