This paper introduces the SPIRIT H2020 Project. The SPIRIT identity resolution service has been designed to learn about identity patterns, to build up a social graph related to them, and thereby facilitate LEAs investigation work. The paper will briefly discuss the main task of identity resolution, the privacy controller system, the SPIRIT prototype that will realise the solution, and the ontology to embed privacy into the system. It also discusses a specific technical and legal challenge-i.e., semantic interoperability when integrating SPIRIT dataand its coordination at the agency level with human decision making-systemic interoperability. This paper takes into account the SPIRIT testing prototype and the first revision version (proof of concept prototype).