I can understand that maybe the website for tracking your amended returns aren't showing up. The IRS has been swamped, so maybe updating that site is low-priority. But if the IRS says they mailed your refunds to you weeks ago, and you haven't received them, there are only two plausible explanations. The first is that the checks are lost in the postal system, and the second is that your checks have been stolen. Can you think of any other possibilities?
I'd call the IRS again to see if they can tell you if those checks have cleared. If they have, you have the answer, and can ask the IRS how to proceed if your refunds have been stolen.
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
