Originally Posted by
Often1
Depending on the specific state in which the friend was convicted, the data may well be part of any number of commercial databases. More often than not, convictions (as opposed to arrests, conditional dismissals, and other odd bits) are public records and are trapped by routine services employed worldwide by business & government..
That's true. So to answer my question, which immigration services make use of any of these commercial databases (which are not guaranteed against errors)?