 John McCarthy Roll February 8, 1947 January 8, 2011 aiva United States District Mutongi uyo akashanda United States District Court nokuda District of Arizona kubva 1991 kusvikira aurayiwa muna 2011, uye semutongi mukuru wedare iroro kubva muna 2006 kusvika muna 2011. Ane madhigirii kubva kuYunivhesiti yeArizona College yeMutemo uye Yunivhesiti yeVirginia Chikoro cheMutemo, Roll akatanga basa rake semutongi wedare muArizona uye akazova mubatsiri wegweta reguta reTucson, Arizona muna 1973. Gare gare gore iroro, Roll akava mutevedzeri wegweta reruwa rwePima County, Arizona kusvika muna 1980, paakatanga kushanda semubatsiri weUnited States Attorney kwemakore manomwe. Mutungamiri George H. W. Bush vakagadza Roll kuti ave mutongi wehurumende muArizona mushure mekunge Roll ashumira makore mana semutongi wenyika. 