During the period of October 1, 2000 to April 30, 2013 the remains of 2,541 migrants who had crossed the U.S./Mexico border illegally, were recovered from Cochise, Pima and Yuma counties in Arizona, according to the AZ Daily Star Recovered Human Remains Project. In order to store the bodies, Pima County installed a second morgue refrigerator. They call it the Second Cooler.