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Case 1:20-cr-00330-PAE Document 499-1 Filed 11/23/21 Page 355 of 375 LaPorte CV (Version 2020.3) Page 2 of 19 United States Secret Service (04/01 — 03/09) Chief Research Forensic Chemist (11/07-03/09); Senior Document Analyst (06/05-11/07); Document Analyst (04/01-06/05) Duties: Serve as the technical liaison and research chemist for the United States Secret Service pertaining to issues related to the chemistry of documents and fingerprints; coordinating clandestine tagging programs; direct all research projects within the Forensic Services Division. Laboratory Duties: perform physical and chemical examinations on a variety of documents to determine how they were produced, where they may have originated from, and if they are authentic. These types of documents include anonymous letters (e.g., threatening, kidnapping, and extortion), suspected counterfeit identifications and financial documents (e.g. travelers checks, credit cards), contracts, and other miscellaneous written materials. Chemical examinations are conducted using thin layer chromatography (TLC), gas chromatography/mass spectrometry (GC/MS), liquid chromatography-mass spectrometry (LC/MS), infrared spectroscopy (IR), scanning electron microscopy/energy dispersive x-ray analysis (SEM/EDXA); perform chemical tests on unknown (e.g. miscellaneous powders) and controlled substances; testify in court as an expert witness. Marymount University (08/08 — 01/09) Adjunct Professor of Forensic Science Arlington, VA Duties: Prepare and conduct lecture material in various areas of the forensic sciences and prepare all laboratory exercises and examinations for graduate students United States Secret Service, Washington, DC (04/01 — 03/09) Virginia Division of Forensic Science, Richmond, VA (11/99 — 04/01) Forensic Scientist Duties: analyze evidence for the presence or absence of controlled substances using a variety of chemical and instrumental tests; utilize sophisticated instrumentation such as gas chromatography/mass spectrometry and Fourier transform infrared spectroscopy; testify in court as an expert witness Anne Arundel County Police Department Crime Lab, Millersville, MD (01/99 -11/99) Forensic Chemist Duties: similar to the duties specified for Virginia Division of Forensic Science Government Scientific Source (GSS), Vienna, VA (09/98-01/99) Technical Specialist Duties: serve as technical specialist in the sales of scientific and laboratory supplies and equipment. DOJ-OGR-00007848