Suspect Identified In Powdery Substance Scares At OKC Government Offices

Police and the FBI responded to three anthrax scares around Oklahoma City Thursday afternoon.

The first happened at 2 p.m. when the first letter arrived at the U.S. Attorney's office downtown.  The letter had a white powdery substance in it. 

3/14/2013 Related Story: Third Suspicious Powdery Package Found At OK FBI HQ

A second letter arrived at the Federal Courthouse a few blocks away nearly two hours later. 

Then the final envelope arrived at FBI headquarters in Northwest Oklahoma City at 5:30 p.m. 

An FBI spokesman tells News 9 all three letters were sent by an inmate at McAlester Correctional facility. The letters have been sent to a lab to be tested. 

3/14/2013 Related Story: Powder Not Anthrax, U.S. Attorney's Office Given ‘All Clear'