A small business set-aside requirement seeks corroboration-based interviewing training for USCIS Fraud Detection and National Security Directorate (FDNS) investigative personnel. The training will cover evidence-based strategies for interview planning, information management, building cooperation, credibility assessment, and appropriate use of evidence. Performance will be in person at a USCIS-designated training location, with the final location coordinated after award. The anticipated period of performance is September 11, 2026 to September 10, 2026. A firm-fixed-price contract is anticipated, with award based on lowest price technically acceptable (LPTA).