You shouldn't do things that would put you in jail.
Vince is an accountant with a company.
Vince wants to get some extra money.
Vince helps his friends with their taxes for a fee.
Vince takes some money and works the accounting so that no one can see the loss.
Vince makes some extra money.
The records are audited and Vince's theft is discovered, so he is fired and arrested.