Recently, my wife and I entered the USA in Atlanta. We scanned our passport and visa, gave our fingerprints and had our photos taken at the kiosk. We received a receipt, which was given to an Immigration officer. He had us go through the Customs luggage check, after which our passports were returned to us.
Once we arrived home, we found that only one passport was stamped for admittance, one is not. What don't know whether this was just an oversight and we don't know what to do.
Do we need to return to the airport and have this corrected? If we don't do anything, will we have future problems exiting and re-entering the US?