An undercover investigator, undercover detective, or undercover agent can be a one who conducts investigations of suspected or verified legal activity when impersonating a disinterested third party. Private Investigators are impartial civilian investigators hired by people or organizations addressing civil or criminal matters that need surveillance, documentation, investigation, or in... https://promotion15937.verybigblog.com/26596500/5-essential-elements-for-private-investigator