FBI agents visit a restaurant manager at a popular seafood franchise. The agents insist they need to place a listening device under a table frequented by famous hedge fund investors. The manager asks the agents for a warrant, but they refuse to comply and install the device under the table without the manager's permission.

What is the ethical issue in this scenario?

a) Plagiarism

b) Misappropriation of trade secrets

c) Defamation

d) Wiretapping