complicated his situation , at which time our firm disengaged our services with Mr. Stack whom we have not been in contact with since October 2009 . '' Ross did not provide any further details in the statement on his work with Stack . Wilbanks said Ross , who has worked as a CPA for at least 30 years , thinks Stack located him in the phone book . They only met four times and did not have a personal relationship , Wilbanks said . The FBI has taken over the investigation into the crash , and Ross has spoken to investigators , Wilbanks said . While Ross does not fear for his safety , he has `` taken precautions , '' though those steps were not detailed by Wilbanks . The online message , in a hit to the IRS , states , `` I saw it written once that the definition of insanity is repeating the same process over and over and expecting the outcome to suddenly be different . `` I am finally ready to stop this insanity . Well , Mr. Big Brother IRS man , let 's try something different ; take my pound of
Austin , Texas -LRB- CNN -RRB- -- The former accountant for Andrew Joseph `` Joe '' Stack III -- who officials say flew his plane into a Texas building housing an Internal Revenue Service office -- says Stack had never threatened him , a spokesman for the accountant said . CPA Bill Ross was mentioned in a 3,000-word message on a Web site registered to Stack , which railed against the government , particularly the IRS . The online message believed to have been written by Stack criticizes accountant Ross for `` representing himself and not me . '' Ross had not heard from Stack since October , when his client `` disengaged '' services in a letter , spokesman Chad Wilbanks told CNN . According to Ross , Stack had not expressed any threats toward the accountant or the IRS , Wilbanks said . `` Mr. Stack contacted my firm to help with his personal taxes in 2008 . He failed to provide me with all his income and other information resulting in an IRS audit , '' Ross said in a written statement Saturday . `` Unfortunately , Mr. Stack ignored the audit and my advice which only