"A man crashed a small plane Thursday morning into a seven-story office building in Austin, Tex., that houses offices of the Internal Revenue Service, the authorities said. The pilot was killed. Two people were hospitalized, and one person was still unaccounted for Thursday afternoon." - Christopher Chung

"The authorities identified the pilot as Joseph A. Stack III. There were indications that Mr. Stack, 53, was a software engineer who had had conflicts with the I.R.S." - Christopher Chung