Texas was set to execute man who wanted him tested for DNA . Court ordered his execution , over objection of prosecutors . The evidence had contradicted itself ; it suggested more than one story . Mark Osler says prosecutors who try death penalty cases display certainty . He says prosecutors have to step in to make sure justice is being served .
Texas was set to execute man who wanted him tested for DNA . Court ordered his execution , over objection of prosecutors . Mark Osler says prosecutors who try death penalty cases display certainty . He says prosecutors have to step in to make sure justice is being served .