Mase, a registered nurse and a bodybuilder, admitted he purchased steroids from another member of the conspiracy and distributed them to others, including athletes who competed in bodybuilding competitions. Federal authorities said Sgt. Steven Santucci, a longtime Newtown police sergeant who resigned after his arrest in the spring, imported drugs from China, repackaged them in a clandestine home laboratory, and distributed them to bodybuilders in local gyms.