Marquette University dentists Dr. Thomas W. Radmer, left, and Dr. L. Thomas Johnson are seen Tuesday, May 6, 2008, in Milwaukee. Researchers at Marquette University say they've developed a first-of-its kind computer program that can measure bite characteristics. They say their work could lead to a database of bite characteristics on the scale of police DNA data, narrow the number of potential suspect profiles and lend scientific validity to bite mark testimony. (AP Photo/Todd Richmond)
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