Today I received the last green card. Some people may go through the same situation, so here is a brief time line. I had an interview on 7/2 for my wife, one of my children, and myself. Everybody was approved, all three passports were stamped. Two days later the kid's status changed to CPO, but the other two were "interview completed, but case is under review." My stamp has a minor typo, so I called USCIS and reported it on 7/10. Next day my status changed to CPO, and on 7/14 my kid's and my cards arrived. Some time later my wife contacted USCIS, and a week later received an email, suggesting making an infopass. When we came to USCIS office, we were told that my wife's file was separated from the other applications. The guy checked with the officer who had an interview with me, and then said that everything was taken care of, and we would receive the card in a few weeks. And so it happened.
