>> drivers aren't always men, because they tend to raise less suspicion, and are more likely to be trusted by female refugees. many refugees, arriving now, do not have family or friends to go to, elsewhere, in europe. in desperation, to get out and ukraine alive, they're willing to go with complete strangers. but we are being told is happening is that people are being trapped, on facebook, and on the other side. by the time they arrived at the border, it is already too late. they have a range to meet someone, and we don't really know who that person is. but officials can't do anything about it. they're already victims to human trafficking. >> border patrol officials and we spoke to in poland did not want to go on camera, and have confirmed to us, some human traffickers had been arrested, and they were hunting for more. in romania, there is now a