Final answer:
In a hostile environment sexual harassment lawsuit, the attorney for the plaintiff must know that the harassment is occurring for the lawsuit to be successful.
Step-by-step explanation:
In a hostile environment sexual harassment lawsuit, the attorney for the plaintiff (employee) must know that the harassment is occurring for the lawsuit to be successful. The management of defendant's company, the EEOC, and the Secretary of State may also be informed about the harassment, but it is not necessary for them to know for the lawsuit to proceed.