Presentations
Invited non-conference presentations
2025
Keynote lecture at 10th Symposium on Mass Spectrometry, "Case Studies in Forensic Mass Spectrometry," Université de Sherbrooke, Sherbrooke, Canada
Ohio University Chemistry and Biochemistry Alumni Association “From the Ridges to Law and Order, SVU: Solving a 30-year-old Mystery of Suspected Trace Human Remains,” Athens, OH
2024
University of Florida, Gainesville, FL
2023
2022
2021
2020
2019
2018
2016
West Virginia Law Review Symposium, Morgantown, WV
North Carolina State University, Raleigh, NC
Florida International University, Miami, FL
University of South Carolina, Columbia, SC
2015
Genetics and Developmental Biology, WVU, Morgantown, WV
US FDA, College Park, MD
Roads Scholar Academy, Naples, FL
Duquesne University, Pittsburgh, PA
2014
Georgetown University, Washington, DC, Sept 2014
Society for Applied Spectroscopy (SAS) Speaker Tour, John Carroll University,
Cleveland, OH
Purdue University, West Lafayette, IN
Indiana University, Bloomington, IN
2013
Appalachia State University, Boone, NC
Bennett Careers for Chemists Program, West Virginia University, Morgantown, WV
2012
NSF Workshop of Strengthening Forensic Science Through Connections with Analytical
Sciences, Arlington, VA
Department of Chemistry, Florida International University, Miami, FL
2011
Alumni College, Ohio University, Athens, OH
Department of Chemistry, University of Cincinnati, Cincinnati, OH
Department of Chemistry, Otterbein University, Westerville, OH
2010
MFRC Forensic Education Forum, Indianapolis, IN
Department of Chemistry and Biochemistry, Kent State U., Kent, OH
Department of Chemistry, U. Akron, Akron, OH
Pittsburgh Mass Spectrometry Discussion Group, Pittsburgh, PA
Pacific Northwest National Laboratory, Richmond, WA
2009
FDA Forensic Chemistry Center, Cincinnati, OH
Department of Chemistry, Michigan State University, East Lansing, MI
2008
Truman State University, Kirksville, MO
2007
Oxford Roundtable on Criminal Law and Justice, Oxford University, Oxford, England
Department of Chemistry, University of North Texas, Denton, TX
2006
Department of Chemistry, Penn State Erie, The Behrend College, Erie, PA
Department of Chemistry, West Virginia University, Morgantown, WV
Ohio Academy of Science, Dayton, OH
2005
NIH, Bathesda, MD
Conference presentations (only invited presentations listed before 2023)
G. P. Jackson, A. I. Adeoye, “Development of the Expert Algorithm for Substance Identification (EASI) to Electron Ionization Mass Spectra of Fentanyl Analogs,” at the 73rd ASMS Conference on Mass Spectrometry and Allied Topics, Baltimore, MD, 2025. (Poster)
C. E. LaPointe, G. P. Jackson, “Charge Transfer Dissociation (CTD) of for the Structural Characterization of Monomeric and Dimeric Phospholipids” at the 73rd ASMS Conference on Mass Spectrometry and Allied Topics, Baltimore, MD, 2025. (Poster)
E. A. Ruiz, I. Aloui, W. Buchmann, J-Y Salpin, G. P. Jackson, “Charge Transfer Dissociation Mass Spectrometry (CTD-MS) for the Structural Characterization of Synthetic Polymers” at the 73rd ASMS Conference on Mass Spectrometry and Allied Topics, Baltimore, MD, 2025. (Poster)
G. P. Jackson, A. I. Adeoye, “Expert Algorithm for Substance Identification (EASI) applied to Electron Ionization Mass Spectra of Fentanyl Analogs,” at the Pittsburgh Conference, Boston, MA, 2025. (Oral)
G. P. Jackson, A. I. Adeoye, S. E. Rodriguez-Cruz, “Application of the Expert Algorithm for Substance Identification (EASI) to Differentiate Tandem Mass Spectra of 2,3-MDMA and 3,4-MDMA,” at the 77th American Academy of Forensic Sciences Meeting, Denver, CO, 2025. (Oral)
H. McMillen, G. P. Jackson, “Application of the Expert Algorithm for Substance Identification (EASI) to Predict ASTM E1618-19 Ignitable Liquid Classes from Gas Chromatography-Mass Spectrometry (GC-MS) Data of Ignitable Liquid Residues,” at the 77th American Academy of Forensic Sciences Meeting, Denver, CO, 2025. (Oral)
M. R. Oaks, C. S. Poulos, C. I. Ubana, F. Goulay, G. P. Jackson, “Elucidating the Mechanism of Unwanted and Uncontrolled Water Adducts in the Tandem Mass Spectra of Synthetic Cannabinoids” at the 77th American Academy of Forensic Sciences Meeting, Denver, CO, 2025 . (Poster)
A. Adeoye, A. N. Couch, J. T. Davidson, G. P. Jackson, “Discriminating Between the Tandem Mass Spectra of Isomeric Synthetic Cannabinoids using the Expert Algorithm for Substance Identification (EASI)” at the 77th American Academy of Forensic Sciences Meeting, Denver, CO, 2025. (Poster)
C. Ganninger, G. P. Jackson, “Refinement of a Thermodynamic Model to Explain the Weathering Patterns of Ignitable Liquids on Household Substrates at Elevated Temperatures,” at the 77th American Academy of Forensic Sciences Meeting, Baltimore, MD, 2025. (Oral)
G. P. Jackson, M. R. Oaks, C. Poulos, “Unintended ion-molecule reactions between residual water and indazole-containing fragments of synthetic cannabinoids in tandem mass spectrometry,” at SciX Conference, Raleigh, NC, 2024. (Oral)
M. H. Schuch, G. P. Jackson, “Charge Transfer Dissociation Mass Spectrometry (CTD-MS) for the Structural Characterization of Glycopeptides” at the Ohio Mass Spectrometry Symposium, Columbus, OH, 2024. (Poster)
C. E. LaPointe, G. P. Jackson, “Charge Transfer Dissociation (CTD) of Phospholipids with Alkali Metal Adducts” at the Ohio Mass Spectrometry Symposium, Columbus, OH, 2024. (Poster)
E. A. Ruiz, G. P. Jackson, “Charge Transfer Dissociation Mass Spectrometry (CTD-MS) for the Structural Characterization of Polyethylene Glycol (PEG) Polymers with Complex End Groups” at the Ohio Mass Spectrometry Symposium, Columbus, OH, 2024. (Oral)
H. McMillen, G. P. Jackson, “Application of the Expert Algorithm for Substance Identification (EASI) to Predict ASTM E1618-19 Ignitable Liquid Classes from Gas Chromatography-Mass Spectrometry (GC-MS) Data of Ignitable Liquid Residues,” NIJ National Research Conference, Pittsburgh, PA, 2024. (Oral)
G. P. Jackson, B. Lowe, S. A. Mehnert, A. Pfeffer, A. Adeoye, J. T. Davidson “Expert Algorithm for Substance Identification (EASI) Applied to Tandem Mass Spectra of Drugs,” NIJ National Research Conference, Pittsburgh, PA, 2024. (Oral)
M. H. Schuch, G. P. Jackson, “Structural Characterization of N- and O-Linked Glycopeptides using Charge Transfer Dissociation-Mass Spectrometry (CTD-MS)” at the Spring ACS Meeting, New Orleans, LA, 2024. (virtual poster)
C. E. LaPointe, G. P. Jackson, “Elucidation of Multimeric Phospholipid Cations using Charge Transfer Dissociation-Mass Spectrometry (CTD-MS)” at the Spring ACS Meeting, New Orleans, LA, 2024. (virtual poster)
E. A. Ruiz, G. P. Jackson, “Charge Transfer Dissociation-Mass Spectrometry (CTD-MS) for the Structural Characterization of Sodiated and Cesiated Polymers” at the Spring ACS Meeting, New Orleans, LA, 2024. (virtual poster)
A. Pfeffer, G. P. Jackson, “Application of the Expert Algorithm for Substance Identification (EASI) to n-Alkanes” at the 21st Undergraduate Research Day at the Capitol, Charleston, WV, 2024. (Poster)
A. Adeoye, J. King, G. P. Jackson, “Application of the Expert Algorithm for Substance Identification (EASI) to Resolve THC and CBD ESI-Mass Spectra” at the 76th American Academy of Forensic Sciences Meeting, Denver, CO, 2024. (Oral)
G. P. Jackson, A. Pfeffer, A. Adeoye, C. McQuain, J. Orris, S Hokanson, “Application of the Expert Algorithm for Substance Identification (EASI) to the Mass Spectral Identification of Bath Salts (Synthetic Cathinones)” at the 76th American Academy of Forensic Sciences Meeting, Denver, CO, 2024. (Poster)
G. P. Jackson, A. Adeoye, E. A. Ruiz, J. T. Davidson, “Expert Algorithm for Substance Identification (EASI) Applied to the Tandem Mass Spectra of Seized Drugs” at the NIJ Forensic Science Research and Development Symposium, Denver, CO, 2024. (Oral)
G. P. Jackson, “Recent Advances in Charge Transfer Dissociation (CTD) Mass Spectrometry” at the 35th Lake Louise Conference on Tandem Mass Spectrometry, Lake Louise, Canada, 2023. (Oral)
A. Adeoye, G. P. Jackson, “Expert Algorithm for Substance Identification (EASI) Applied to Cathinones,” at NIJ’s Graduate Research Symposium at the Forensic Technology Center of Excellence, 2023. (Oral, via Zoom)
G. P. Jackson, A. Adeoye, “Expert Algorithm for Substance Identification (EASI) Applied to the Mass Spectra of Seized Drugs,” at SciX Conference, Reno, NV, 2023. (Oral)
J. Orris, A. Adeoye, S. Hokanson, G. P. Jackson, “Application of the Expert Algorithm for Substance Identification (EASI) to Mass Spectra of Synthetic Cathinones” at the Spring ACS Meeting, Indianapolis, IN, 2023. (Poster)
*G. P. Jackson, J. T. Davidson, A. Adeoye, E. Ruiz, B. Lowe, J. King “Expert Algorithm for Substance Identification (EASI) Applied to the Mass Spectra of Structurally Similar Fentanyl Analogs,” at the Pittsburgh Conference, Philadelphia, PA, 2023. (Oral)
*G. P. Jackson, A. Adeoye, J. Orris, S. Hokanson, “Application of the Expert Algorithm for Substance Identification (EASI) to Mass Spectra of Synthetic Cathinones,” at the Pittsburgh Conference, Philadelphia, PA, 2023. (Oral)
G. P. Jackson, A. Adeoye, J. Orris, S. Hokanson, “B83 The Application of the Expert Algorithm for Substance Identification (EASI) on Synthetic Cathinones Using Mass Spectrometry (MS),” at the 75th American Academy of Forensic Sciences Meeting, Orlando, FL, 2023. (Oral)
A. Adeoye, G. P. Jackson, “B84 The Application of the Expert Algorithm for Substance Identification (EASI) to the Mass Spectral Identification of Fentanyl Analogs,” at the 75th American Academy of Forensic Sciences Meeting, Orlando, FL, 2023. (Oral)
E. T. Maney and G. P. Jackson, “Y6 Biometrics from Human Hair Using Gas Chromatography-Isotope Ratio Mass Spectrometry of Ethyl Chloroformate Derivatives of Amino Acids,” at the 75th American Academy of Forensic Sciences Meeting, Orlando, FL, 2023. (Poster)
C. S. Poulos and G. P. Jackson, “B115 A Mass Spectral Interpretation of PINACA-Type Novel Psychoactive Substances (NPS),” at the 75th American Academy of Forensic Sciences Meeting, Orlando, FL, 2023. (Poster)
A. Pfeffer and G. P. Jackson, “B116 The Application of the Expert Algorithm for Substance Identification (EASI) on N-Alkanes,” at the 75th American Academy of Forensic Sciences Meeting, Orlando, FL, 2023. (Poster)
I. Galvez and G. P. Jackson, “B117 The Influence of Instrument Parameters on Replicate Mass Spectra and Spectral Comparison Algorithms,” at the 75th American Academy of Forensic Sciences Meeting, Orlando, FL, 2023. (Poster)
G. P. Jackson, J. T. Davidson. A. Adeoye, S. Mehnert, E. Ruiz, J. King:, “Expert Algorithm for Substance Identification (EASI): A New Paradigm for Mass Spectral Identifications,” presented at SciX Conference, Providence, RI, 2022
G. P. Jackson, S. Mehnert, J. T. Davidson, B. Lowe, A. Adeoye, E. Ruiz, “Expert Algorithm for Substance Identification (EASI) from Mass Spectra,” presented at the NIJ Forensic Science Research and Development Symposium, (virtual due to COVID) 2022
G. P. Jackson, S. Mehnert, J. T. Davidson, “New Algorithm for Mass Spectral Identifications,” at Pacifichem, Honolulu, HI, (Virtual due to COVID), 2021
G. P. Jackson, S. Mehnert, J. T. Davidson, “Expert Algorithm for Substance Identification (EASI): A New Paradigm for Mass Spectral Identifications,” presented in the Innovation Award Session at SciX Conference, Providence, RI, 2021
G. P. Jackson, A. Adeoye, J. T. Davidson, E. Ruiz, B. Lowe, “A New Mass Spectral Identification Algorithm to Discriminate Between Structurally Similar Fentanyl Analogs,” at SciX Conference, Providence, RI, 2021
G. P. Jackson, Z. J. Sasiene, P. M. Mendis, D. Ropartz, H. Rogniaux, G. P. Jackson, “keV Ion Activation in Mass Spectrometry,” at the European COST Action Molecular Dynamics in the Gas Phase (MD-GAS) meeting, (virtual due to COVID), 2021
G. P. Jackson, “Hair Reveals What People Conceal: Biometric Traits from the Chemical Analysis of Human Hair,” at the Ohio Mass Spectrometry and Metabolomics Meeting (virtual due to COVID), 2020
G. P. Jackson, S. A. Mehnert, B. D. Lowe, E. Ruiz, J. T. Davidson, “A Regression-Based Algorithm to Maximize the Confidence in Mass Spectral Identifications,” at Eastern Analytical Symposium, Plainsboro NJ, 2019
G. P. Jackson, S. A. Mehnert, J. T. Davidson, B. D. Lowe, “A Regression-Based Algorithm to Maximize the Confidence in Mass Spectral Identifications,” at SciX Conference, Palm Springs, CA, 2019
G. P. Jackson, J. T. Davidson, Z. J. Sasiene, Y. Abiedalla, C. R. Clark, “On the Mass Spectral Interpretation of Cathinones and Fentanyl Analogs,” at SciX Conference, Palm Springs, CA, 2019
G. P. Jackson, M. P. V. Matos “Hair Reveals What People Conceal: Biometric Traits from the Chemical Analysis of Human Hair,” at SMAP Congress, Strasbourg, France, 2019
G. P. Jackson, M. P. V. Matos, R. M. Mohr, “Stable Isotopes to Determine Class Characteristics of Human Hair Donors and the Carrion Source of Blow Flies,” at the Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy, Philadelphia, PA, 2019
G. P. Jackson, Z. J. Sasiene, P. M. Mendis, D. Ropartz, H. Rogniaux, “Charge Transfer Dissociation Mass Spectrometry (CTD-MS) of Glycans” at the 31st Lake Louise Conference on Tandem Mass Spectrometry, Lake Louise, Canada, 2018
G. P. Jackson, J. T. Davidson “MS Comparator: Ultra-Precise Spectral Comparisons”
at the Forensic and Homeland Security Workshop of the 66th ASMS Conference
on Mass Spectrometry and Allied Topics, San Diego, CA,
2018
G. P. Jackson, Z. J. Sasiene, P. M. Mendis, D. Ropartz, P. Li, H. Rogniaux, “Comprehensive
Characterization of Glycans, Peptides and Lipids using a New Approach to Tandem
Mass Spectrometry” at the 1st Spring SciX Meeting, Glasgow, Scotland,
2018
G. P. Jackson, K. Menking-Hoggatt, T. Krivenki “On-Site GC/MS Analysis of Drugs:
Reasoning, Reliability and Return on Investment” at SciX Conference, Reno, NV,
2017
G. P. Jackson, K. Menking-Hoggatt, T. Krivenki “Portable Forensic Mass Spectrometry” at the Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy, Chicago, IL, 2017
G. P. Jackson, R. Mohr, M. P. V. Matos, M. E. Engel “Forensic Attribution using Stable Isotopes: Hairs to Humans and Insects to Carrion” at the 253rd American Chemical Society National Meeting, San Francisco, CA, 2017
*G. P. Jackson, I. Kreft, P. Li, D. Ropartz, H. Rogniaux “Development of Charge Transfer Dissociation (CTD) for Biological Ions,” at the ASMS Asilomar Conference on Mass Spectrometry and Ion Mobility, CA, Oct 2016
F. M. Fernandez and G. P. Jackson, “ Forensic Mass Spectrometry: #TellMeSomethingIDontKnow” Opening Tutorial at the 64th ASMS Conference on Mass Spectrometry and Allied Topics, San Antonio, TX, June 2016
G. P. Jackson, “The Future of Forensic Instrumental Methods of Analysis” at the 68th Annual Meeting of the American Academy of Forensic Sciences, Las Vegas, NV, Feb 2016
W. D. Hoffmann, B. Lv, G. P. Jackson, “Isobaric drug analysis using direct analysis in real time (DART) and hydrogen/deuterium exchange” ACS Meeting, Boston, MA, Aug 2015
G. P. Jackson, K. I. Konstantynova, M. V. P de Matos, R. Mohr,”Forensic Attribution using Stable Isotopes: Hairs to Humans and Insects to Carrion” Pittsburgh Conference, New Orleans, LA, Mar 2015
G. P. Jackson “Linking Insects to Humans and Hair to Human Phenotypes using Stable Isotopes” ASMS Sanibel Conference on Security and Forensic Applications of Mass Spectrometry, Clearwater Beach, FL, Jan 2015
G. P. Jackson, R. Mohr, K. I. Konstantynova “Forensic Attribution using Stable Isotopes: Hairs to Humans and Insects to Carrion” SciX Conference, Reno, NV, Oct 2014
G. P. Jackson “Metastable Atom Activated Dissociation: Status and Outlook” ASMS Sanibel Conference on Ion Activation: Fundamentals, Applications, and New Frontiers, Clearwater Beach, FL, Jan 2014
G. P. Jackson, Y. An, K. I. Konstantynova “Biometrics from the Stable Isotope Analysis
of Amino Acids in Human Hair” FACSS Innovation Award Session, SciX
Conference, Milwaukee, WI, Oct
2013
G. P. Jackson, F. Jin, W. D. Hoffman, G. F. Verbeck “Development of a Loeb-Eiber
Mass Filter for Portable Mass Spectrometry” 9th Harsh Environment Mass Spectrometry
Workshop (HEMS), St. Pete Beach, FL, Sept
2013
G. P. Jackson, Y. An, K. Konstantynova “Biometrics from the delta13C Values of Amino Acids in Human Hair” FIRMS Conference, Montreal, Canada, Sept 2013
G. P. Jackson, R. E. Deimler, T. Razunguzwa, B. Reschke and M. Powell “Direct Analysis of Forensic Samples by Laser Ablation Electrospray Tandem Mass Spectrometry (LAESI-MS/MS)” SciX 2012, 39th FACSS Conference, Kansas City, MO, Oct 2012
G. P. Jackson “Development of a Portable Loeb-Eiber Mass Spectrometer” 38th Federation of Analytical Chemistry and Spectroscopy Societies Conference, Reno, NV, Oct 2011
G. P. Jackson, B. Deimler, S. L. Cook, C. M. Zimmernmann, R. Hoffman “Comparison of CID, ETD, and Metastable Atom-Activated Dissociation (MAD) of Phosphorylated Tau Peptides” Central Regional Meeting of the American Chemical Society (ACS), Indianapolis, IN, Jun 2011
G. P. Jackson “Metastable Atom-Activated Dissociation of Glycopeptides, Nitrosylated Peptides and Non-Peptidic Analytes” 38th Federation of Analytical Chemistry and Spectroscopy Societies Conference, Raleigh, NC, Oct 2010
S. L. Cook, G. P. Jackson “Metastable-Atom Activated Dissociation (MAD) within a Quadrupole Ion Trap Mass Spectrometer (QIT-MS)” 7th Uppsala Conference on Electron Capture and Transfer Dissociation, Nara, Japan, Dec 2009
G. P. Jackson “Quantitative Assessment of the Growth in Forensic Science Degree Programs in the US” 18th Triennial Meeting of the International Association of Forensic Sciences, New Orleans, LA, Jul 2008
G. P. Jackson “A Faster Method of Tandem Mass Spectrometry for Fast or Complex GC and LC Separations” 34th Federation of Analytical Chemistry and Spectroscopy Societies Conference, Memphis, TN, Oct 2007
G. P. Jackson, O. L. Collin, C. Zimmermann, Ü. A. Laskay, M. Beier “Fast Gas Chromatography With Quadrupole Ion Trap Tandem Mass Spectrometry Applied to the Detection of Explosives” 33rd Federation of Analytical Chemistry and Spectroscopy Societies Conference, Orlando, Fl, Oct 2006
O. L. Collin, G. P. Jackson “Analysis of Fatty Acid Ethyl Esters by Fast Gas Chromatography-Tandem Mass Spectrometry” 33rd Federation of Analytical Chemistry and Spectroscopy Societies Conference, Orlando, Fl, Oct 2006
G. P. Jackson “Metastable-Activated Dissociation Mass Spectrometry for the Structural Determination of Proteins” University of Leipzig, Leipzig, Germany, Mar 2005
G. P. Jackson “Recent Developments in Mass Spectrometry: Instrumentation and Applications” Upper Ohio Valley Section of the American Chemical Society, Marietta College, Marietta, OH, Feb 2005
Other
More than 100 authored and co-authoroed presentations (oral and poster).
Workshops taught
2015 FORENSIC & INVESTIGATIVE SCIENCE OUTREACH, MORGANTOWN, WV
Forensic Gas Chromatography-Mass Spectrometry Workshop. Taught a three-day workshop to 17 practicing forensic professionals.
2015 LAS VEGAS METROPOLITAN CRIME LABORATORY, LAS VEGAS, NV
Taught a 3-day Forensic GC/MS course with EI Spectral Interpretation to ~17 practicing forensic professionals.
2014 HOUSTON FORENSIC SCIENCE CENTER, HOUSTON, TX
Taught a two-day Forensic GC/MS Workshop to ~23 practicing forensic professionals.
2014 FORENSIC & INVESTIGATIVE SCIENCE OUTREACH, MORGANTOWN, WV
Forensic Gas Chromatography-Mass Spectrometry Workshop. Taught a three-day workshop to ~18 practicing forensic professionals.
2013 WEBINAR SERIES ON THE APPLICATIONS OF FORENSIC SCIENCE FOR THE LEGAL PROFESSIONAL, MORGANTOWN, WV
Taught a live webinar on The Use of Mass Spectrometry in Forensic Science, including real-time question and answer session to more than 120 registrants.
2011 CONTINUING EDUCATION FOR FORENSIC PROFESSIONALS PROGRAM, JACKSON HOLE, WY
Mass Spectrometry Workshop: Drug and Trace. Taught a two-day workshop to 25 practicing forensic professionals. Uncertainty of Measurements Workshop. Taught two ½-day workshops to a total of ~30 practicing forensic professionals.
2010 CONTINUING EDUCATION FOR FORENSIC PROFESSIONALS PROGRAM, BOSTON, MA
Workshop 1: Mass Spectrometry: Drug and Trace. Taught a two-day workshop to 25 practicing forensic professionals. Mass Spectrometry
Workshop 2: Mass Spectrometry: HPLC for Toxicology. Taught a one-day workshop to 25 practicing forensic professionals.
2009 INDIANA STATE POLICE, LABORATORY DIVISION, INDIANAPOLIS, IN
Mass Spectrometry Interpretation Workshop. Taught a three-day workshop to a total of 25 practicing forensic professionals in trace and drug units.
2009 CEDAR CREST COLLEGE CONTINUING EDUCATION PROGRAM, ALLENTOWN, PA
Forensic Mass Spectrometry Workshop. (NIJ-funded). Taught a three-day workshop to 27 practicing forensic professionals.
2009 CONTINUING EDUCATION FOR FORENSIC PROFESSIONALS PROGRAM, LAS VEGAS, NV
Forensic Mass Spectrometry Workshop. (NIJ/FSI Funded). Taught a two-day workshop to 25 practicing forensic professionals.
2007 CONTINUING EDUCATION FOR FORENSIC PROFESSIONALS PROGRAM, ORLANDO, FL
Forensic Applications of Mass Spectrometry Workshop. (NIJ/FSI Funded). Taught two workshops to a total of 40 practicing forensic professionals.