Rahmanullah Lakanwal, a former Afghan army member and collaborator with United States government agencies, including the Central Intelligence Agency, carried out a deadly attack on National Guard soldiers in New York after traveling from Washington. His background, which included counterterrorism work and involvement in the withdrawal of Western forces from Afghanistan, highlights the complexity of vetting individuals who have worked closely with Western institutions. The article draws parallels to other cases where individuals with trusted positions or seemingly assimilated backgrounds have committed violent acts, raising concerns about the effectiveness of security measures and the potential for deception. The narrative suggests a growing fear that dissimulation tactics are enabling individuals to bypass safeguards and infiltrate sensitive areas in Western societies.