In what scenarios is a search warrant not required?

A search warrant is not required in specific circumstances where the need for immediate action outweighs the necessity to obtain a warrant. In exigent circumstances, for example, law enforcement officers may need to act quickly to prevent the destruction of evidence, protect individuals in danger, or prevent a suspect's escape. These situations justify warrantless searches due to the urgency involved.

Consent searches occur when an individual voluntarily agrees to allow law enforcement to search their property. As long as the individual has the authority to grant consent, no warrant is necessary. Similarly, searches incident to lawful arrest allow police to search an arrested individual and their immediate surroundings to ensure officer safety and prevent evidence from being destroyed.

The other scenarios mentioned, such as standard patrols and the pursuit of a suspect, do not inherently provide a valid legal basis for conducting a search without a warrant. While officers can take certain actions during patrols or pursuits, these alone do not eliminate the requirement for a warrant unless they fall into the exceptions like exigent circumstances or consent.