Norman Marin worked for the NYC Office of the Chief Medical Examiner from 2001-2012, where he began with DNA extraction and quantification before transferring to the Special Investigation Unit, where he worked on crime reconstruction issues involving bloodstain pattern analysis, bullet trajectory, evidence examinations, forensic photography, and the identification of latent blood through chemical enhancements. A graduate of the John Jay College, Marin now teaches at Pace University at the Dyson College of Arts and Sciences, Forensic Science program, where he teaches digital photography, among other forensic disciplines. Jeffery M. Buszka holds a Master's of Science Degree in Forensic Science from John Jay College of Criminal Justice where was also an Adjunct for 6 years in the Forensic Science program. Mr. Buszka is also a board certified as a Diplomate by the American Board of Criminalistics. For 7 years he worked as a Criminalist in the NYC Office of Chief Medical Examiner - Forensic Analysis and Reconstruction Unit. The main responsibilities of the Unit included the examination of physical evidence for the purposes of crime scene and incident reconstructions. Prior to the OCME he worked at the Yonkers Police Department Forensic Science Laboratory where his duties included drug chemistry, latent fingerprint development, serial number restoration, footwear identification and forensic photography.