​Instructor:  
​Pat A. Wertheim
Course length: 40 hours

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​Latent print examiners face conflicting pressures for high productivity and thoroughness as they struggle to control backlog. An evolving paradigm shift from reporting absolute identifications to using probability modeling has left many examiners without an understanding of the historical foundations of friction ridge
​skin (FRS) identification. In court, calling attorneys often fail to lead the FRS expert through testimony in a logical and comprehensive sequence of questions.
 
Students in this basic to intermediate level of training will increase both speed of comparisons and ability to make difficult identifications through systematic target selection, target memorization, and target acquisition. Students will be able to explain the evolution of the philosophies of science as applicable to FRS comparison.
Students will testify in accordance with current best practices in the discipline
of FRS identification and include all essential elements of expert testimony in a
logical sequence.


*This course has been approved for 40 hours of certification/recertification training credits with both the IAI Tenprint Certification and Latent Print Certification Boards.

Pat A. Werthiem

Hold a Bachelor’s degree in geophysics from Texas A&M University in 1971 and began his law enforcement career in 1973, Pat Wertheim has worked for the Kerrville, TX, Police Department; the Plano, TX, Police Department; the Arizona Department of Public Safety; the US Army Criminal Investigation Laboratory; and as a private consultant. Pat is currently employed as a Latent Print Examiner with the Fort Worth, TX, Police Crime Laboratory.

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