The Professional Investigator's Narcotics Handbook - Hardcover

by Cpi CCDI Travers (Author), Lpi Cmeci Travers (Author)

The Professional Investigator's Narcotics handbook is a complete handheld guide to street and workplace level narcotics for the investigator. Coming from over 60 years of combined experience, father and son duo, Joseph and Joshua Travers have showcased their knowledge learned into a quick reference guide.