This past week, Pinal County Sheriff's detectives were able to take even more deadly fentanyl pills off the streets. As part of a narcotics investigation, PCSO deputies arrested 36-year-old Gregory Key of Casa Grande. Through a search warrant, we discovered 358 fentanyl pills, more than 30 thousand dollars in cash, a pound of marijuana, and four guns. Key was arrested for drug and weapons charges and booked into Pinal County Adult Detention. "Fentanyl and counterfeit pills continue to be one of the newest and deadliest drugs affecting our communities. We are proud of our narcotics detectives and the work they do to take drug dealers off the street," said Sheriff Mark Lamb. "Pinal County is even safer today because of their investigation."