Experience counts in resolving disputed document matters and our team of forensic scientists has many years of successfully handling cases throughout the United States. Each of our specialists has demonstrated a combination of academic excellence and real world experience in a major government crime laboratory.

Rely on our experts to provide you with the highest quality of forensic services. Meet the group:


Richard T. Picciochi
Handwriting
Nicholas Petraco
Microscopy
Aurora Dumitra
Chemistry
Kenneth Eng
Fingerprints
Andrew Guster
Imaging






Richard T. Picciochi
Signature, Handwriting and Document Examinations


Richard T. Picciochi
Richard Picciochi is a questioned document examiner with thirty years of experience in the New York City Police Department Crime Laboratory and in private practice. He is retired from the NYPD Forensic Investigation Division where he was a detective, document examiner and the technical supervisor of the Questioned Document Unit. In the course of his career he has examined thousands of disputed handwriting and document cases, participated in numerous high profile investigations and testified in trials including the “Zodiac” homicides and the first terrorist attack on the World Trade Center in New York City.

Mr. Picciochi possesses a background that integrates the academic sciences, applied forensic sciences and law enforcement investigations. He has earned a Master of Science degree in Forensic Science and has received extensive specialized training in questioned document analyses by the NYPD, the FBI and the Secret Service. Mr. Picciochi is a Diplomate of the American Board of Forensic Document Examiners (ABFDE) and was awarded certification upon completion of comprehensive written, practical and oral examinations.

Mr. Picciochi is a member of the following organizations and frequently participates in their training conferences and workshops to maintain competency as well as certification status:
  • American Academy of Forensic Sciences (AAFS)
  • International Association for Identification (IAI)
  • Northeastern Association of Forensic Scientists (NEAFS)
  • Midwestern Association of Forensic Scientists (MAFS)
  • American Society for Testing and Materials (ASTM)
  • New York Microscopical Society (NYMS)
  • American Chemical Society (ACS)
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Nicholas Petraco
Microscopy and Trace Evidence


Nicholas Petraco
Nicolas Petraco is the forensic microscopist and trace evidence analyst in the group. He is a retired detective and criminalist with the New York City Police Laboratory’s Trace Evidence Section and is currently retained by the NYPD as a consultant/technical leader of the Criminalistics Section. In addition to government and private sector casework, Mr. Petraco is an Assistant Professor at CUNY John Jay College of Criminal Justice in the Science Department.

Throughout his career he has examined thousands of cases and testified as an expert witness in over 500 trials. He is a Diplomate of the American Board of Criminalistics (ABC), a fellow in the Criminalistics Section of the American Academy of Forensic Sciences (AAFS) and a fellow in the New York Microscopic Society (NYMS). Mr. Petraco has presented over 100 papers at scientific meetings, published over 50 research articles in scientific literature and has authored/co-authored six chapters and four textbooks on forensic science, crime scene investigation and microscopy.

Mr. Petraco brings to the group his extensive knowledge of microscopy and trace evidence analyses for the examination of questioned documents, including paper fiber analysis, ink differentiation and toolmark/mechanical impression individualization.

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Aurora Dumitra
Instrumentation and Specialized Photography


Aurora Dumitra
Aurora Dumitra is the criminalist in the group and her areas of expertise include instrumentation and specialized photographic analyses. She has received extensive training from the New York Police Department (NYPD) and the Federal Bureau of Investigation (FBI), holds a Bachelor of Science degree in Forensic Science from CUNY John Jay College of Criminal Justice and keeps current in the field by participating in scientific courses, workshops and symposia. She has examined numerous cases and has testified as an expert witness.

Ms. Dumitra brings to the group her skills in chromatography, spectroscopy and applied analytical photography for the comparison of inks, faded text restoration and the detection of record alterations.

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Kenneth Eng
Latent Fingerprint Comparisons


Kenneth Eng
Kenneth Eng is a Latent Fingerprint Examiner with over thirty-five years of experience in the New York City Police Department, Phoenix Police Department and private contracting for the Department of Homeland Security. He has received extensive training from the NYPD and the FBI, continues to attend specialized training workshops and has attained certification by the International Association for Identification.

Mr. Eng has evaluated and classified known and unknown prints, searched databases for suspects and has performed over 800,000 comparisons. In addition, he has conducted research, trained investigators, provided litigation support to attorneys and has been recognized as an expert witness in Local, State and Federal Courts.

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Andrew Guster
Digital Imaging and Court Exhibits


Andrew Guster
Andrew J. Guster is experienced in a broad spectrum of evidentiary photography with a focus on image enhancement and demonstrative court presentations. He is retired from the New York City Police Department where he had over ten years of experience as a detective assigned to both the Latent Print and Crime Laboratory Sections. Mr. Guster is experienced in record photography, specialized alternate light spectrum photography, 360° virtual scene photography, digital image processing and creating enlarged court exhibits.

Mr. Guster has received both formal and practical training in scientific photography with the NYPD, FBI, Department of Defense and the Nikon Corporation. He was also the NYPD representative to the FBI/Scientific Working Group on Image Technology (SWIGIT) and continues to keep current in the field through affiliations with the following organizations:
  • Evidence Photographer International Council (EPIC)
  • National Association of Photoshop Professionals (NAPP)
  • Professional Photographers of America (PPA)
  • Professional Photographers of Greater New York (PPGNY)
  • Professional Photographers Society of New York State (PPSNYS)
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Access Forensic Group, LLC - Copyright 2010
Access Forensic Group, LLC is a full service forensic document laboratory that was founded with the mission of providing independent, objective and reliable investigations. Our examiners can assist in resolving signature, handwriting and other disputed document problems.
We strive to achieve this goal by thoroughly investigating the entire document with a multi-faceted, multi-disciplinary approach. We are committed to providing outstanding service and have the experience to deal with complex civil, criminal and administrative cases.
Our clients include law firms, corporations, police departments, government agencies, labor unions, insurance companies, universities and private individuals. We understand that finding the right expert can be a difficult and time consuming process. If you would like to know more about our services please call 516-326-1122 for a telephone consultation.