Describe the handling of evidence obtained from informants and how it impacts admissibility.

• A. The reliability of informant information should be assessed; corroboration from independent sources is often required.
• B. Informants are always credible if the police say so.
• C. Tainted informant tips are never admissible.
• D. Informants must be corroborated only by the informant's past reliability, not by independent evidence.

Answer: (C)