Victim worked in IRS office in building where crash happened , WAAY reports . Comment: Authorities : Andrew Joseph Stack III flew single-engine plane into seven-story building . A 3,000-word message on a Web site registered to Stack railed against the government , particularly the IRS . Stack set his home on fire before his flight , authorities say .
Victim worked in IRS office in building where crash happened , WAAY reports . Comment: Authorities : Andrew Joseph Stack III flew single-engine plane into seven-story building . Stack set his home on fire before his flight , authorities say .