The murderer caught, she’d made money from it (6,2)

I believe the answer is:

cashed in

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'money from it' is the definition.
I can't judge whether this definition defines the answer.

'the murderer caught she'd' is the wordplay.
'the murderer' becomes 'cain' (Cain who killed Abel).
'caught' is an insertion indicator.
'cain' going around 'shed' is 'CASHED IN'.

'made' is the link.

Can you help me to learn more?

(Another definition for cashed in that I've seen is " seized an advantage".)

I've seen this clue in the Evening Standard.

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