How were spies chosen to be on the sercret service?

Spies in the Secret Service were typically chosen based on a combination of skills, experience, and background checks. Candidates often had military or law enforcement experience, advanced education, and specialized training in intelligence gathering and analysis. Psychological evaluations and thorough vetting processes ensured they could handle the pressures and secrecy associated with espionage. Additionally, personal integrity and loyalty to the agency's mission were crucial factors in their selection.