Different states have different requirements for private investigators. Also, there are different types of investigators. To become a private investigator, you need a license in most states. However, you can work for a private investigator without a license.
A private investigator or detective compiles information for businesses and individuals utilizing many means to determine the facts.
They often specialize. Those who focus on intellectual property theft, for example, investigate and document acts of piracy, help clients stop the illegal activity, and provide intelligence for prosecution and civil action. In cases involving missing people and background checks, investigators often interview people to gather as much information as possible. They help attorneys, businesses and the public with a variety of legal, financial and personal problems.