A new study says faulty forensic science is a leading cause of wrongful criminal convictions. In this hour of Science Friday we'll look at the evidence for--and against--fingerprints, bite marks, and other forensic techniques. Do these crime-solving methods hold up under scientific scrutiny?

Plus, where does the Catholic Church stand on evolution? An op-ed piece in the New York Times earlier this year, written by Cardinal Christoph Schonborn, seems to favor the view that an intelligent designer must be at work in the evolutionary process. We'll get an update on the efforts of scientists to have the church to clarify its position on evolution. Call in with your questions and comments at 1-800-989-8255 (2-3 Eastern). Teachers, find more information about using Science Friday as a classroom resource in the Kids' Connection.

Guests:
Lawrence Krauss
Ambrose Swasey Professor of Physics and Astronomy
Case Western Reserve University
Cleveland, Ohio
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Jonathan J. Koehler
University Distinguished Professor
Behavioral Decision Making
McCombs School of Business
University of Texas, Austin
Austin, Texas

Barry A.J. Fisher
Crime Laboratory Director
Los Angeles County Sheriff's Department
Los Angeles, California

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This segment produced by Annette Heist