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National Forensic Science Week: OSP Forensic Services Division Controlled Substance Analysis - Forensic Scientist Marianne Senhouse

August 15, 2013

From crime scene processing to fingerprints to DNA analysis to digital forensics, forensic scientists provide law enforcement with reliable leads that help identify the guilty and exonerate the innocent. The Oregon State Police is proud of our Forensic Services Division employees and joins the International Association Chiefs of Police, the Association of State Criminal Investigative Agenices, the Major County Sheriffs Association and the Consortium of Forensic Science Organizations in recognizing the significant contribution of forensic science professionals in Oregon and throughout the United States during National Forensic Science Week, August 11 - 17, 2013.


Forensic Scientist Marianne Senhouse has worked at the Oregon State Police (OSP) Springfield laboratory for over 5 years conducting Controlled Substance analysis. During her career, Marianne has tested over 2,300 assorted items of evidence including unusual items ranging from cremated remains to a child's painting. The work of a forensic scientist isn't always spent at a desk as they sometimes find themselves in a courtroom testifying. Marianne has testified in 9 different counties in Oregon during her work with OSP.

A stay-at-home mom before joining OSP, Marianne received her Bachelor of Science degree in Animal Science in 2002 from Tuskagee University in Alabama and is a Master's candidate in Animal Reproduction. She is a member of the American Academy of Forensic Scientists (AAFS), and the Clandestine Laboratory Investigating Chemists (CLIC). In her spare time, she enjoys being creative and making jewerly, but her latest endeavor is an experiment in urban farming.

The Springfield Forensic laboratory where Marianne works currently has 19 Forensic Scientists and Latent Print Examiners. Five Forensic Scientists are assigned to Chemistry analysis as their primary discipline. Daily, the analysts identify controlled substances submitted by law enforcement agencies across the state, write reports and testify in court on cases such as unlawful possession and distribution of controlled substances. They also perform analyses to quantitate methamphetamine for federal case, identify the manufacturing processes used in cladestine laboratories, as well as provide the public service of anonymous analysis for parents who find suspected drugs in their children's possession.


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