In Mapp v. Ohio, a case that involved the conviction of a woman for possession of obscene material found during an illegal search for a fugitive, the Supreme Court

A) ruled that illegally obtained evidence could be used in state courts but not in federal courts.
B) refused to incorporate the illegal search and seizure protection under the Fourteenth Amendment.
C) ruled that state police were not bound by due process guarantees.
D) extended the federal exclusionary rule to state courts.
E) threw out the conviction.

D