What is a requirement for an arrest warrant to be valid?

• A. It must be signed by the arresting officer
• B. It must be based on a detailed police report
• C. It must show probable cause from an affidavit
• D. It must specify the time of arrest

Answer: (C)

For an arrest warrant to be valid, it must demonstrate probable cause, typically supported by an affidavit that outlines the facts and circumstances justifying the arrest. This requirement serves as a critical protection against unreasonable searches and seizures as dictated by the Fourth Amendment of the U.S. Constitution. The affidavit presents the information to a judge, who assesses whether sufficient evidence exists to believe that a crime has been committed and that the individual named in the warrant is likely the perpetrator.

Requiring a showing of probable cause ensures that law enforcement cannot arbitrarily arrest individuals without justification, thus upholding citizens' rights and maintaining the integrity of the judicial process. This high standard helps prevent abuse of power and maintains public trust in the legal system.