Right. The government wouldn't bother collecting dna from people who have not shown up with children if that were the case. Most likely, the government is inten

Right. The government wouldn't bother collecting dna from people who have not shown up with children if that were the case. Most likely, the government is intending to do exactly what it seems like with this data - punish repeat offenders more strictly than first time offenders. ie first time you are caught illegally in the country, you are just deported. Second time, jail time ending with deportation.