This is some crazy number. They say they are from the IRS and want to take all your money.

Losers. It is from some international country using magic jack.

I received a crazy call from this number as well. This person claimed to be "officer william" about starting legal proceeding.

A scam to take your money from you. The caller claimed to be an officer calling from the  Criminal Investigations Department, PA, working from the IRS and threatened to initiate criminal proceedings against me, and left many messages on my voice mail. He left this callback number : 734-847-8658.

Just received a 'threatening' call. Quote - "Officer William from State Investigation, You are in legal trouble. Call me back. If I don't receive a call back from you, I will take legal action". Actual Caller ID - 734-847-8658. (Temperance MI)
These guys need prison time.... Telemarketers - at least we can understand. Threatening people!

Received exactly same call.  Just ignore.  After the call I called my local police and they asked me to have fun with them waist their time with nonsense until they stop calling. As per police, any tax agency will never call directly until they follow all the legal procedures by USPS. Screw these guys if you have time to have fun. I hate these calls.