how long do you have to be in college to be a private investigator
You usually don't need a college degree to become a private investigator. Many private investigators have a college degree, and some firms might require their investigators to have a degree. College courses in criminal justice and political science can be helpful to aspiring private investigators.hey usually cannot start work in law enforcement until they are 21 and it usually takes at least five years of patrol work to be promoted to detective and four years as a detective to be skilled enough to leave the agency and start out as a PI. Source(s): ownpool Â· 5 years ago. Thumbs up.