Crossword Genius

Type of crime where Jacob keeps account? (6,3)

Ross

I believe the answer is:

inside job

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This clue could be a double definition.

'type of crime' is the first definition.
(I've seen this before)

'where jacob keeps account?' is the second definition.
The definition suggests a singular noun which matches the answer.

Can you help me to learn more?

(Other definitions for inside job that I've seen before include "breach of trust" , "crime exploiting employer" , "Crime committed by or with the assistance of someone on the premises" , "crime of disloyalty" , "Crime with help" .)

I've seen this clue in The Times.
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