tolerance policy and they have said repeatedly that they hope that this serves as a deter rent as word of this spreads through central american countries and in mexico where thos are comost from. >> and what is the age range of kids, do you know? >> reporter: what is difficult to figure out is if there is any kind of minimum age of undocumented children that are separated from their parents. journalists were allowed to tour two different detention centers, one in california, one here in south texas in brownsville, but these were centers that were mainly focused on housing young boys between the ages of 10 and 17. so there is more than 100 of these shelters in 17 different states across the country. but those were the ones that we were able to see firsthand this week. >> do you know what parents are being told is going to happen to their children? >> reporter: again, you know, it is one of those murky areas.