Washington - Federal prosecutors are investigating whether a Department of Homeland Security employee with top-secret clearance was planning an attack at the agency’s Washington headquarters when he entered the building with a gun, a knife, an infrared camera, pepper spray and handcuffs.

Jonathan Wienke, an analyst in the Office of Intelligence and Analysis, allegedly carried the weapons into the building on the morning of June 9. Court documents filed by the federal government state that investigators have probable cause to believe Wienke “was conspiring with another to commit workplace violence, and more particularly may have been conspiring or planning to commit violence against senior DHS officials in the building.”

Bill Miller, a spokesman for the U.S. Attorney’s Office for the District of Columbia, declined to comment on the documents. He said Wienke was charged on June 10 with carrying a pistol without a license and was released on June 13 pending further court proceedings. The case remains under investigation, Miller said in an email.

Scott McConnell, a spokesman for the Department of Homeland Security, said Wienke has been placed on administrative leave.... Read More: VIN