FBI tests on 'rootless hair' DNA from 84yearold Nancy Guthrie's Tucson home mark a pivotal turn in the case, as a top volunteer search group urges involvement and pressure grows on the local sheriff to accept outside help.
FBI tests on 'rootless hair' DNA from 84yearold Nancy Guthrie's Tucson home mark a pivotal turn in the case, as a top volunteer search group urges involvement and pressure grows on the local sheriff to accept outside help.