Too High or Too Low. A basic purpose of asking applicants for salary requirements is to use the response as part of the initial screening process.
So, who else do they protect? By law, the Secret Service protects the president and his family, the vice president and her family, the president-elect and his family and the vice president-elect and her family. Former presidents and their spouses also get lifetime protection. A spouse will lose a Secret Service detail if he or she gets remarried.
This also includes presidential candidates and former Presidents. The United States Secret Service investigates suspected violations of this law and monitors those who have a history of threatening the President. Threatening the President is considered a political offense.