UPDATE!!!!!
For all fo those interested, I went to the post office today. And since I had all the paperwork, the CM receipt and the green card ( that arrived early this morning) The post office manager wrote up a report, and contacted the PO investigation services, who then came down to the main floor, and took me aside and spoke to me about what happened. I needed to write it up, and the investigator said they take this VERY seriosuly, and that the company (M&I Bank) is in a lot of trouble, becasue they cant deny recieving and signing for it- I had the GC!!! and where they scrathed out the adddress with a marker, he could still read the pen marks for the letters addressed to them!
He said they will face serious fraud charges! And he will keep me updated as well.
Too bad its not one of the bigger CA's like Afni or something.. but hey, a criminal charge against a CA... woohoo!