(CBS) – The man accused of sending a letter to the White House – a letter that tested positive for cyanide – is from Chicago.
The letter never made it to the president’s residence. It was discovered Monday at a facility that screens mail.READ MORE: Police Board Orders Firing Of CPD Officer Patrick Kelly, Accused Of Shooting Friend In Head While Off-Duty And Lying About It
It contained a milky white substance that tested negative at first for cyanide, and then positive during a second test. It’s being tested a third time.READ MORE: Chicago Weather: Storms Headed Our Way After Midnight; Damaging Winds And Heavy Rain Possible
The suspect is described as a homeless man from Chicago.MORE NEWS: Bears Proposed Moving From Chicago, Possibly To Gary, In 1995 -- Leading To Huge Fight Between Mayor Richard M. Daley And Team Brass
Officials think he suffers from mental illness because of how the letter was written.