The methods behind human source recruitment are not classified. They are systematic, documented, and teachable. This manual teaches them. How case officers build relationships engineered toward a single outcome: recruitment, and the psychological frameworks that make it workOperational security disciplines: surveillance detection routes, counter-surveillance, digital footprint management, and clandestine communication protocolsMotivation profiling using the MICE framework and beyond, including compound motivations, shifting loyalties, and vulnerability assessmentTradecraft procedures for every phase of source handling: tasking, debriefing, compensation, meeting security, and emergency protocolsThe complete recruitment cycle: how case officers identify, assess, develop, and pitch human sources from first contact to formal agreementEighteen chapters cover the complete discipline from first principles to advanced operational challenges. Each chapter opens with a real case from the public record, presents specific methods with structured procedures and decision frameworks, and closes with training exercises built for professional skill development. This is a reference manual designed to be studied, practiced with, and returned to. The material is drawn from the documented experience of professional intelligence services and organized to follow the operational lifecycle of a HUMINT case from target identification through termination. Series One of The Spy Tradecraft Training Manual.