What is the job of private investigators and detectives? Private investigators like private investigator greensboro nc are hired by either private individuals or businesses to uncover information hidden to conceal the truth. Usually, individuals who are former law enforcers, lawyers engage to the private investigation job. The job is not easy. It is risky since it is dealing with finding evidences and seeking for the truth. So if the case is against a big name in the industry, that is what making the situation intense and risky. Not all people can become private investigators. One needs the courage and of course the skills and knowledge.