A private eye is a slang term for an INVESTIGATOR, TEC, SNOOP, PEEPER, SHAMUS, GUMSHOE, or OPERATIVE. These terms all refer to someone who is hired to investigate and uncover information that is not readily available to the public. Private eyes are often employed by individuals or organizations to uncover evidence of wrongdoing or to find missing persons. They may also be hired to provide security services or to conduct surveillance. Private eyes use a variety of methods to gather information, including interviewing witnesses, conducting research, and using surveillance equipment.