Threatening call, claims to be an officer from  Crimes unit re Tax Fraud and advises to call them or have your lawyer call.  This is a robot call as it begins to speak as soon as answering machine comes on.  Received the same type of call last year and checked with Revenue Cda and they confirmed they had not placed the call & I reported it to the RCMP.  It's a scam call & don't fall for it.

I received the same call from the same number and I find it unbelievable....the officers name is a certain Dan Williams aka the Robot.....Don't fall into this trap.

Call them back immediately because we've commited a crime with the CRA

Oh Dear god, Yeah this is a complete scam, Do not call them this is a complete scam its a robots voice lol. If you feel something might be wrong check this from the official website:
http://www.cra-arc.gc.ca/scrty/frdprvntn/menu-eng.html

Hey just received same call . Live in Oshawa Ontario area.  Thanks everyone for information.  Thought was a scam.  Hopefully someone will catch this idiot!