The Mercer County man accused of threatening to murder FBI agents on Gab last week emerged from his house with an assault weapon in his hands when the FBI arrived Friday night, an agent testified Thursday, but ultimately dropped the gun after commands to put it down. At a federal detention hearing for Adam Bies on Thursday, prosecutors presented that testimony and other evidence of potential violence, including the presence of 12 other guns in the house, to show that Mr. Bies is a danger to the community and should be locked up pending trial. U.S. Magistrate Judge Lisa Pupo...