What standard governs all searches and arrests?

• A. Reasonable suspicion
• B. Preponderance of the evidence
• C. Clear and convincing evidence
• D. Probable cause

Answer: (D)

Probable cause is the standard that governs searches and arrests. It means a fair probability, based on the facts and circumstances known to the officer at the time, that a crime has been committed and that the person to be arrested is involved, or that evidence of a crime will be found in a particular place. It’s more than a guess but not a certainty. This standard must be met to obtain a warrant or to make a typical arrest without a warrant, and it underpins why searches are allowed in the first place. Reasonable suspicion is a lower standard used for brief stops or detentions, not full searches or arrests. The civil standards of preponderance of the evidence and clear and convincing evidence are not used to authorize criminal searches or arrests; they apply in civil cases or specific civil procedures, not ordinary law enforcement searches or detentions.