Fingerprints

About the Author

Mark R. Hawthorne, now retired, was a professor and faculty member at the City College of San Francisco, where he began teaching in 1985 in the Administration of Justice programs and has also served as the coordinator of the forensic science program in criminal justice. In addition, he was an instructor at Sky-line College in San Bruno, California and taught at other universities and colleges since 1985. Mr. Hawthorne possesses an Associate of Arts, Bachelor of Arts and Master’s degrees. He was previously the lead instructor in physical evidence and crime scenes at the San Francisco Police Regional Training Academy. Mark is also a retired member of the San Francisco Police Department after serving with distinction for twenty-nine years, the last twenty-three as a crime scene investigator. During his career, Mark has processed more than three thousand crime scenes, has processed thousands of pieces of evidence and has testified as an expert witness numerous times in California state courts as well as U.S. district courts. Mark has conducted thousands of fingerprint comparisons and has made in excess of three thousand identifications. Mark is also an I.A.I. Certified Latent Print Examiner as well as a Certified Senior Crime Scene Analyst. Mark is also a recognized subject matter expert by the State of California Commission on Peace Officer Standards and Training in subject matter of physical evidence and crime scenes. Mark has made numerous presentations to various forensic organizations and meetings and is a published author (First Unit Responder: A Guide for the Physical Evidence Collection for Patrol Officers.) He also mentored and assisted countless students achieve the goal in the Forensic Science field.

Sharon L. Plotkin obtained her Masters of Science degree in Criminal Justice with a minor in Psychology from Florida International University. She obtained her Bachelor of Science degree in Social Work, also from Florida International University and an Associate of Arts degree in Psychology from Broward Community College. Ms. Plotkin received her certification through the International Association for Identification in 2006 and has been doing crime scene work for almost 20 years. She has handled thousands of cases ranging from burglaries to homicides and suspicious death cases. Ms. Plotkin has a passion for teaching and loves the opportunity to excite students in wanting to embark on a career in law enforcement. She has been teaching at the college level for almost 13 years. She is full-time faculty at the largest school in the nation that currently has 165,000 students enrolled, teaching in the crime scene technology degree program. Ms. Plotkin has received specialized training in various fields of crime scene investigations, including bloodstain reconstruction, photography, crime scene reconstruction, fingerprinting, and shoe wear casting. She has had the opportunity to be involved in casework with Dr. Henry Lee, assisting in crime scene reconstruction. Some of her cases have appeared on Court TV. Ms. Plotkin is also a member of DMORT (Disaster Mortuary Operational Response Team).

Bracey-Ann Douglas is a Police Officer in the Miami-Dade County Police Department. She worked previously in the County Corrections and Rehabilitation Department in the Fingerprint Section as a Fingerprint Analyst. Prior to that, she was a Crime Scene Technician with the North Miami Police Department’s Crime Scene Unit. She is currently an Adjunct Faculty Professor in the Miami Dade College’s North Campus School of Justice providing classroom instruction, curriculum development, and supervisor for students’ field experience and internships. Ms. Douglas holds a Master of Science in Management with a Concentration in Criminal Justice Administration, and a Bachelor of Applied Science in Public Safety Management with Concentration in Crime Scene Investigations from Miami Dade College.