About Aldrich Killian, from the Official Marvel Database:
He steals a sample and sells it to a terrorist group. The group, based in a slaughterhouse in Bastrop, Texas, injects a willing test subject called Mallen. A bizarre physical change overtakes him; his horrified compatriots flee the room but lock him in it. The injected man's body, still lying in the Bastrop warehouse, is now covered completely in a bizarre layer of scar tissue.
Days later at Futurepharm Corporation offices, Dr. Aldrich Killian commits suicide at his computer; his suicide note informing co-worker Maya Hansen that he has stolen the Extremis serum for an undisclosed purpose."
Iron Man 3 was released May 3rd, 2013 and stars Robert Downey Jr., Gwyneth Paltrow, Don Cheadle, Guy Pearce, Rebecca Hall, Jon Favreau, Ben Kingsley, James Badge Dale. The film is directed by Shane Black.