Steven D. Moss is a consultant to law enforcement agencies throughout California and an instructor at the San Diego Regional Law Enforcement Training Facility in Traffic Investigation and Collision Analysis. He designed and implemented revised field procedures for DUI and served as instructor in the techniques for attorneys and law enforcement agencies. He has been a police officer for the San Diego Police Department since 1977. His assignments include patrol,collision, investigation bureau, drinking driver enforcement, off-road enforcement, motors/speed enforcement, detective—traffic investigation unit. He has an advanced P.O.S.T. certificate from the state of California and has qualified in both municipal and superior courts for the state of California as an expert witness in all facets of collision reconstruction. Mr. Moss has a B.P.A. and an M.B.A., both from National University. He is a general partner in the firm of C and M Collision Analysis and a college instructor in traffic investigation and collision analysis.