skip biometric and then got removed

If someone did not come to the biometric appointment when removing
conditions on permanent residency based on marriage, what will happen
then? How soon the removal procedure will start? If the biometric was
supposed to be in October 2006, and one did not go, how soon one will
be removed from the USA? What is the procedure: will they send
letters, and for how long one can stay there without doing anything,
just using the letter (NOA) as a permit to stay in the US for a year?
Can one stay for the whole year?
If you please, tell the details: say, after 6 months they will send a
letter that your case is abandoned and that there is a removal
procedure... The removal procedure will consist of police coming to my
place and forcing me to go out.. (or something, for I do not know how
it happens).
I am asking for research!

They may get a notice within a couple of weeks...and will have to resolve or depart