Hello,
My French ex-wife has been living in France for the last three years after having lived in the US as a permanent resident. She received a green card in 2004. We assumed her green card was simply forfeited (and that's fine) due to the fact that she has been out of the US for that long. We have no desire to renew the green card. But she has a vacation trip scheduled to come visit me with our daughter for one month this summer. Will we have any problems when she tries to enter the country? How can they tell that she even ever had a green card? She had to renew her passport a few years ago, so there isn't even any indication she ever had one in her passport.
Thanks in advance.

