Gregg Roberts has worked as a technical writer for over 16 years and has done IT business and data analysis for about 20 years. He graduated in 1990 with a B.A. from UT Austin, and has authored several ebooks about 9/11. He was also one of the writers of the paper that analyzed the dust of the Twin Towers. In this episode of 9/11 Free Fall he talks with Andy Steele about the paper and about legal routes to justice.
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