Frank Thornton (a.k.a. Thorn) runs his own consulting firm, Blackthorn Systems, which specializes in wireless networks. In addition to his computer interests, Frank was a law enforcement officer for many years. He has investigated thousands of crimes, been in numerous armed confrontations, and been directly involved in several shootings. Combining both professional interests, he was a member of the workgroup that established ANSI Standard "ANSI/NIST-CSL 1-1993 Data Format for the Interchange of Fingerprint Information."