Idioms title

The Idiom Attic - a collection of hundreds of English idioms, each one explained.

The meaning of "inside job"

" Inside job "
A crime committed by or with the help of someone living or working in the place that it took place.
Only the staff in the security department knew the safe's combination and it wasn't forced open. It had to be an inside job.
Where did it originate?:
Britain, early 20th century.
Where is it used?:
Hear the idiom spoken:
More idioms about:   crime  

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