News Identifying Substance Found at Security Firm Key to Bomb Investigation By Potomac Local News Published November 25, 2013 at 5:14PM | Updated November 26, 2013 at 9:52AM State police called to 9500 Technology Drive detonated a device this afternoon and found black powder, an explosive chemical agent. [Photo: Uriah Kiser / Potomac Local News] This article is FREE to read. Please Sign In or Create a FREE Account. Thank you. Author Potomac Local News View all posts #Crime #News
