UPDATE: Hanson guilty on 56 of 57 charges
Posted: September 13, 2012 at 9:18 a.m.
Updated: September 13, 2012 at 5 p.m.
Federal prosecutors have wrapped up their case against a Siloam Springs man, Philip Hanson, who is accused of sending threatening letters and white powder to former co-workers. Prosecutor's final witness was, Callie Wells, a DNA expert from the Arkansas State Crime Lab, who testified DNA found on envelopes used to send the letters matched that of Hanson.
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