Private eye and gumshoe

The terms private eye and gumshoe have the same definition. We will look at the meaning of the words private eye and gumshoe, where the terms came from and some examples of their use in sentences.A private eye is a slang term for a private detective or a private investigator. A popular but probably untrue […]
from Grammarist
http://grammarist.com/usage/private-eye-and-gumshoe/