In informant reliability, which type is described as the most reliable when there is past work and corroboration?

• A. Criminal informant
• B. Named citizen
• C. Anonymous informant
• D. All informants equally reliable

Answer: (A)

When evaluating informant reliability, the trustworthiness of tips grows with a proven track record and independent corroboration. If an informant has a history of providing information that has repeatedly led to verified results and those tips are supported by independent evidence, investigators gain confidence in their information. A criminal informant with past successful disclosures and corroboration fits this pattern best, because their past performance demonstrates accuracy and the tips have been checked against other sources, reducing the chance of fabrication.

Anonymous informants often lack verifiable identity and accountability, making their tips less dependable. Named citizens can be credible, but without a demonstrated history of reliable information, their input may not reach the same level of confidence as a corroborated informant with a proven track record. Saying all informants are equally reliable ignores the value of past performance and corroboration in building trust.