WASHINGTON (MCT) — One of the nation’s most secretive intelligence agencies is pressuring its polygraphers to obtain intimate details of the private lives of thousands of job applicants and employees, pushing the ethical and legal boundaries of a program that’s designed instead to catch spies and terrorists.

The National Reconnaissance Office is so intent on extracting confessions of personal or illicit behavior that officials have admonished polygraphers who refused to go after them and rewarded those who did, sometimes with cash bonuses, a McClatchy Newspapers investigation found.