In the presented material, arrest requires probable cause in which situations?

• A. Always
• B. Only with a warrant
• C. Only for felonies
• D. Never

Answer: (A)

Probable cause is the standard for arrest in every situation. It means a reasonable belief, based on facts and circumstances, that the person has committed a crime. A warrant is not a substitute for that requirement; it provides judicial authorization, but the underlying need for probable cause remains. A warrantless arrest is permissible only when probable cause exists and the circumstances justify acting without a warrant. So arrests require probable cause in all cases, whether you arrest with a warrant or without, and regardless of the type of crime.