The latest news as it comes in to CNN from the scene of the crash of a small plane in Austin, Texas. (All times are ET, one hour ahead of local Austin time.)
1:59 p.m.: Austin Mayor Lee Leffingwell said one person in the building was unaccounted for
1:47 p.m.: A message on a Web site registered to Joseph Andrew Stack appears to be a suicide note: "If you're reading this, you're no doubt asking yourself, 'Why did this have to happen?'" the message says. "The simple truth is that it is complicated and has been coming for a long time." In the long message, the writer rails against the government and, particularly, the Internal Revenue Service.
1:43 p.m. A federal law enforcement official confirmed Stack's name and said he owned a house that was burned Thursday. Asked whether Stack set the fire, the official replied, "It appears that way."
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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