In CSX Asbestos Case, Gilkison Found Not Culpable A federal grand jury in West Virginia has ruled that Robert Gilkison is not guilty of conspiracy to defraud CSX. The case has undergone a number of twists and turns, beginning as far back as 2000, when CSX employee Ricky May, who had previously tested negative for asbestosis, learned that Pittsburgh-based law firm Peirce, Raimond, and Coulter,