Nancy Guthrie’s gardener, pool cleaner and other hired help are submitting buccal swabs more than a week after her suspected abduction from a home in Tucson, Arizona, according to a law enforcement source. Nancy Guthrie’s gardener, pool cleaner and other hired help are submitting buccal swabs more than a week after her suspected abduction from a home in Tucson, Arizona, according to a law enforcement source.