How crooks got away in second hand vehicles (4,4)

I believe the answer is:

used cars

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'how crooks got away' is the definition.
I know nothing about this answer so I can't tell whether this works.

'second hand vehicles' is the wordplay.
'second hand' becomes 'used' (I've seen this before).
'vehicles' becomes 'cars' (car is a kind of vehicle).
'used'+'cars'='USED CARS'

'in' acts as a link.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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