is a Ph.D. Biochemist who has operated toxicology and analytical chemistry laboratories for over 25 years. He is also a freelance writer who has written extensively on forensic investigation, DNA analysis, blood spatter, trace analysis, toxicology, drug and analytical chemistry, and forensic anthropology, among others. He has written about car bombs, IEDs, soft targets, biological/chemical agents and attack scenarios, and on law enforcement topics like juvenile arson and illegal meth labs. Doug has written and published a book entitled The Eider Files, a novel about bioterrorism.