Which principle is used to assess whether a search is reasonable?

The principle that is used to assess whether a search is reasonable is rooted in the idea of being "authorized by law and reasonable in manner." This principle is crucial because it ensures that any search conducted by law enforcement or park wardens is grounded in legal authority and adheres to standards of reasonableness.

A search is considered reasonable when it is carried out in a way that respects individual rights and follows legal protocols. This means that a search should not be arbitrary or excessively invasive and should be justified by an appropriate legal basis, such as probable cause or consent. This principle balances the need for effective law enforcement with the protection of individual rights, which is foundational to the protection from unreasonable searches as outlined in legal frameworks.

The other options, while relevant to aspects of law enforcement and public perception, do not serve as the primary criteria for assessing the legality of a search. Efficiency in policing might influence operational decisions, but it does not determine legal standards for searches. Public opinion can provide context but is not a legal ground for justifying searches. Officer's discretion is important in practice but must always be exercised within the bounds of authorized legal frameworks. Thus, the correct principle highlights the necessity for lawful and reasonable conduct in searches.