The Fourth Amendment does not regulate private conduct. Which scenario would be governed by private action, not Fourth Amendment action?

• A. A private party conducting a search without government involvement
• B. A police officer conducting a traffic stop
• C. A warrant being executed
• D. A border checkpoint

Answer: (A)

The Fourth Amendment applies to government action, not private behavior. When a private party conducts a search entirely without government involvement, it is private action and falls outside Fourth Amendment protections. In this scenario, the government isn’t conducting the search, so the Fourth Amendment doesn’t govern the conduct.

If the private party were acting as an agent of the government or with government involvement, then state action could trigger Fourth Amendment concerns. The other scenarios all involve government actors and actions (a police officer stopping someone, a search under a warrant, or a border checkpoint), so Fourth Amendment protections would apply there.