investigator, either a member of a police agency or a private person

A detective is a person who figures out who committed a crime. Most detectives are police officers. Some are hired by a private person or company, for example to stop theft. Those are called private investigators. There are many stories about detectives. Some famous fictional (not real) detectives are Sherlock Holmes, Inspector Clouseau, Nancy Drew, The Hardy Boys.

Detectives will search public and private databases, investigate people and examine evidence in order to solve the case.

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