The Legal Rule Requiring That All Evidence Illegally Obtained by Police

The legal rule requiring that all evidence illegally obtained by police in violation of the Bill of Rights must be excluded from admission in a court of law, where it might have assisted in convicting those accused of committing crimes is called the

A) good faith exception.
B) Katz test.
C) exclusionary rule.
D) ex post facto law.
E) free exercise clause.