It is possible for FMG to land in one of those programs in certain specialties. I know high competitive programs have one FMG, you can say every other year or so. But, from my opinion, this candidate is something like that: 99/99 USMLE scores, strong three LORs from US, recent graduation (last 2 years), high performance in medical school, US citizen or at least green card, electives in US and/or publications in per-reviewed journals and doing well in the interview. This is because many AMG fulfilling these criteria already competing for one of few slots in these programs.