This question does come up a lot. On occasion taxpayers do end up in jail. It just isn’t going to be the first conversation CRA has with you so be wary of any ‘CRA’ calls that suggest you are going to jail. Please check this link at the Canada Revenue Agency Website . CRA – Slam the scam.
If you still aren’t sure, call your CPA if you get any suspicious calls from people claiming to be from CRA.