DNA Profiling. Toxicology. Ballistics. Today’s criminal investigators employ powerful scientific tools to catch bad guys. But where did they come from and how do they really work? A new six-episode series from Smithsonian Channel uncovers the secrets behind the science. FORENSIC FIRSTS premieres Sunday, June 17 at 9 p.m. ET/PT - Photo: Courtesy of Smithsonian Channel - Photo ID: smithsonian_ForensicFirsts_DNAPromoStill_3_crs