"The automated query can be based on:
* Identity information included in the application or in travel documents, such as name, date of
birth, national ID number, and/or
* the fingerprint of an individual."
Sounds like they could send requests to that computer system just based on publicly available information on a person like name and date of birth, even if the person never applied for a visa or tried to enter the US.
From the analysis linked in TFA:
"The automated query can be based on: * Identity information included in the application or in travel documents, such as name, date of birth, national ID number, and/or * the fingerprint of an individual."
Sounds like they could send requests to that computer system just based on publicly available information on a person like name and date of birth, even if the person never applied for a visa or tried to enter the US.