The suspect who allegedly sent three different letters containing an anthrax-looking white powder to three different federal locations has been identified. According to a March 14 report by KWTV Channel 9 News in Oklahoma City, the sender of those three white powder-laden letters is an inmate a the McAlester Correctional facility.
The first letter with the white powder was discovered at the U.S. Attorney's Office downtown. The second letter was sent to the Federal Courthouse. The third and final letter was sent to the FBI headquarters. All three locations were close to the downtown area.
All three letters have been sent to the FBI headquarters for further testing. Although the exact substance is unknown, it was deemed “not dangerous” in all three letters.
At the time of publication, the name of the suspect had not been released. There was also no information as to why the inmate would send letters with an anthrax-looking substance inside them. It was also unknown if the inmate had anything to do with the bomb threat that also took place in downtown Oklahoma City today.