Cliff Spiegelman

Texas A&M University

Distinguished Professor of Statistics

Langford Building A

798 Ross St.

College Station, TX 77843-3137

United States









Scholarly Papers (4)


Analysis of Experiments in Forensic Firearms/Toolmarks Practice Offered as Support for Low Rates of Practice Error and Claims of Inferential Certainty

Law, Probability & Risk (Winter 2013), doi:10.1093/lpr/mgs028
Number of pages: 19 Posted: 09 Dec 2012 Last Revised: 14 Dec 2014
Cliff Spiegelman and William A. Tobin
Texas A&M University and Forensic Engineering International
Downloads 232 (219,002)



firearms identification, forensic certainty, validation studies, ballistics, forensic error rate, forensic testimony


Forensic Bitemark Identification: Weak Foundations, Exaggerated Claims

Journal of Law and the Biosciences, Vol. 3, No. 3, 538-575, Temple University Legal Studies Research Paper No. 2017-23
Number of pages: 38 Posted: 05 Sep 2017 Last Revised: 28 Apr 2020
Arizona State University (ASU) - Sandra Day O'Connor College of Law, Salk Institute for Biological Studies, Harvard University - Harvard Medical School, American Academy of Forensic Sciences, Private Practice of Dentistry, State University of New York at Buffalo, State University of New York (SUNY), Johns Hopkins University - School of Hygiene and Public Health, University of California, Irvine - Department of Criminology, Law and Society, University of Arizona, Northwestern University, School of Law & American Bar Foundation, Griffith University - School of Criminology and Criminal Justice, Temple University - James E. Beasley School of Law, UC Law, San Francisco, UC Law, San Francisco, Carnegie Mellon University - H. John Heinz III School of Public Policy and Management, Duke University School of Law, Case Western Reserve University School of Law, Stanford Law School, University of California, Davis - School of Law, The Forensic Institute, University of Virginia, Tufts University, Northwestern University - Pritzker School of Law, Harvard University - Harvard Medical School, University of Wisconsin-Madison, George Washington University - Law School, New York University School of Law, Office of the Medical Examiner, Tarrant County, TX, California State University, Los Angeles, Seton Hall Law School, University of California, Berkeley - School of Public Health, Texas A&M University, University of California, Irvine - Department of Statistics, University of California, Irvine - Department of Criminology, Law and Society, San Jose State University, Northwestern University and University of New Mexico
Downloads 183 (272,354)



admissibility, bite mark, expert evidence, forensic science


Chemical and Forensic Analysis of JFK Assassination Bullet Lots: Is a Second Shooter Possible?

Annals of Applied Statistics, Vol. 1 No. 2 (2007), 287-301, DOI:10.1214/07-AOAS119
Number of pages: 15 Posted: 09 Dec 2012
Texas A&M University, Forensic Engineering International, Independent, Texas A&M University, Highstown High School and Chem Consulting
Downloads 100 (436,230)



forensic, bullet composition, heterogeneity, bullet lead, CBLA


Absence of Statistical and Scientific Ethos: The Common Denominator in Deficient Forensic Practices

Statistics and Public Policy (American Statistical Association), Vol. 4, No. 1, Pages 1-11, (2017)
Posted: 10 Feb 2017
William A. Tobin, H. Sheets and Cliff Spiegelman
Forensic Engineering International, Canisius College and Texas A&M University



Firearms, Toolmarks, Bitemarks, Bullet Lead, Forensic