Discrete Investigations Private Investigations in Las Vegas and Reno Areas of expertise Background Check Credit and criminal history checks, records checks to verify citizenship of family members, verification of date of birth, education, employment history, and military history. Firearms Extensive experience with National Firearms Act (NFA) and Privately Made Firearms (PMF). Investigations We cover most types of investigations, including fraud investigations, criminal defense review, trial preparation, and many other types of cases. Surveillance Our primary objective is to acquire compelling and indisputable visual evidence in video and photo formats.