The Mine Safety and Health Administration has released the final report on a fatal accident at Freeport-McMoRan’s FMI surface copper mine in Morenci, Arizona. The report said that on the morning of Jan. 28, 2022, Monroe Caston, Jr., a 56-year-old mixer driver with three years of mining experience, received fatal injuries and David Butler, a 24-year-old mixer driver in training with two years of mining experience, received serious injuries when the cement mixer truck they were in lost control, overturned on its side, and slid into a berm.