Is mixed up with the police, something to do with insurance (8)

I believe the answer is:

policies

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'something to do with insurance' is the definition.
I can't tell whether this defines the answer.

'is mixed up with the police' is the wordplay.
'mixed up with' indicates an anagram.
'is' with its letters anagrammed with 'police' gives 'POLICIES'.

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I've seen this clue in the Evening Standard.

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