A narcotics investigation that was years in the making culminated in three arrests Saturday in Ironwood. According to a release from the Gogebic Iron Area Narcotics Team (GIANT) Investigators obtained information over the course of several years involving an address in the City of Ironwood owned by Mary Conley, allegedly involved in the trafficking and using of controlled substances. According to the release, GIANT was aware of the sales of methamphetamine, cocaine, and prescription drugs. GIANT was able to conduct controlled buys of methamphetamine and cocaine from Conley’s ...