Forensic Science Seminar Series Features "Careers within the Pennsylvania State Police Crime Laboratory" on 16 September 2013
In his lecture, Friedel will discuss the career of a patrol trooper. He also will discuss forensic investigations in the field and techniques used in the laboratory, including ballistics analysis, latent-print examination, the Automated Fingerprint Identification System (AFIS) system, and questioned-document examination. In her lecture, Calhoun will discuss the career of a forensic scientist, with explanations of trace evidence, toxicology examinations, drug identification, and serology -- the scientific study of plasma serum and other bodily fluids.
Friedel is a member of the International Association for Identification and he is an expert witness in latent-print examination and identification. In 1992, he joined the Pennsylvania State Police as a trooper and for the next seven years he worked in this capacity in various locations throughout the state. In 1999, he joined the Pennsylvania State Police's Bureau of Forensic Services, where he worked as a latent print examiner and became the ballistics section interim supervisor. He now serves as the division director of the Investigation and Operational Support Division. Friedel received a degree in criminal justice from Harrisburg Area Community College in 1990 and a degree in police administration from Eastern Kentucky University in 1991.
Calhoun is a member of the American Academy of Forensic Sciences and the American Society of Crime Laboratory Directors, and she has qualified as an expert witness in serology, bloodstain-pattern interpretation, and the analysis of hair, fiber, and drugs. In 1989, Calhoun began her career as a forensic scientist with Lima and Harrisburg Regional Laboratories. In 2004, she was selected as the serology supervisor at the Harrisburg Regional Laboratory. In 2007, she became the assistant director of the Scientific Services Division of the Pennsylvania State Police Bureau of Forensic Services and, in 2010, she became the director of the Scientific Services division of the Pennsylvania State Police. Calhoun received a bachelor's degree in Biochemistry from the University of Scranton in 1989 and a master's degree from Duquesne University in 2007.
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