Adjustment of Status I-485, requires finger printing (FP) soon after filing. Is it required for all citizens, including Canadian citizens, or Canadians are exempted, just like they are exempted from FP as visitors to the US.
All AOS filers get fingerprinting. Those whose AOS process drags on get the 'privilege' of having them a 2nd, 3rd, or even forth time, as these 'expire' every 15 months.
nelsona non grata. Non pro. Please Search previous posts, no situation is unique as you might think. Happy Browsing
