Excel Manufacturing, a corporation, hired a private investigator to conduct surveillance of DeJuan, the Chief Financial Officer, because he was suspected of committing corporate espionage. Without DeJuan's consent, the private investigator approached DeJuan and demanded to be allowed to search him and his cell phone without either a warrant or probable cause. Which of the following does this action violate?

-Fourth Amendment search and seizure.

-Fourteenth Amendment procedural due process.

-Fourteenth Amendment substantive due process.

-The action violates no constitutional amendment.