He would stand in front of the camera, show a falsified ID, and during the verification video call, a deepfake system would modify his features in real-time until his face became that of the person whose identity he intended to usurp. The technique allowed the suspect to make 38 impersonation attempts on more than 30 real identities, with a particularly delicate goal: to pass the controls of a company responsible for issuing electronic certificates and thus obtain authorized digital signatures that could later be used to commit new frauds.