Which statement about probable cause is accurate?

• A. It requires proof beyond a reasonable doubt
• B. It is based on a belief with no facts
• C. It does not require facts or circumstances
• D. It requires facts and circumstances known to an officer that would lead a reasonable person to believe a crime has been, or is about to be, committed

Answer: (D)

Probable cause exists when the information available to a police officer would lead a reasonable person to believe that a crime has been, is being, or is about to be committed. It rests on facts and circumstances known to the officer at the time, not on a mere hunch. This standard sits between a rumor or mere suspicion and the proof required to convict, and it’s the basis for searches and arrests with proper justification.

The statement that matches this definition emphasizes that the belief must be grounded in facts and circumstances that would convince a reasonable person, not in a belief with no supporting information. It’s not about proof beyond a reasonable doubt—that higher standard applies to securing a conviction, not to initiating an arrest or search. It’s also incorrect to say it doesn’t require facts or circumstances, since probable cause specifically relies on observable information or reliable tips.