Entering any nation illegally is their first crime.
If the paper verification checks out they're actually the legal immigrant they claim to be, they are immediately released.
At one time in the USA,
Italians were called WOP's for some carried a sign saying Without Official Papers
Not certain what DAGO is an acronym for, yet imagine it is similar.
At least they desired to assimilate, and pay their dues to acquire official papers, not cry about it.