The USA PATRIOT Act of 2001 increased or strengthened public law enforcement's

• A. All of the above: criminal investigative authority, ability to detain suspects, search and seizure authority, ability to share intelligence among agencies
• B. Criminal investigative authority
• C. Detention authority
• D. Search and seizure authority

Answer: (A)

The USA PATRIOT Act broadened several levers of public law enforcement, not just one. It gave investigators more tools to conduct criminal investigations, such as expanded ways to gather communications and records. It also broadened detention authority in terrorism cases, allowing for longer or more flexible detention of suspects and material witnesses when appropriate. It expanded search and seizure authority, including provisions for delayed-notice searches and broader access to records. And it enabled more effective information sharing across federal agencies, reducing barriers between intelligence and law enforcement. Because the act strengthened all these areas, the option reflecting “all of the above” is the best answer. The other options only capture a single aspect and miss the broader scope.