Husband returns in vehicle, running financial fraud (3,7)

'financial fraud' is the definition.
(tax evasion is a form of fraud)

'husband returns in vehicle running' is the wordplay.
'husband' becomes 'save' (husband can mean to save or conserve).
'returns' says the letters should be written backwards.
'in' indicates putting letters inside.
'vehicle' becomes 'taxi' (taxi is a kind of vehicle).
'running' becomes 'on' (eg when a machine is running it is on).
'save' backwards is 'evas'.
'evas' placed into 'taxi' is 'taxevasi'.
'taxevasi'+'on'='TAX EVASION'