unmarked border. theiry' families maintain they' innocent, sayi if they did so, it was by accident. shourd's medical condition has been a concern. she has precancerous cervical cells and her daughter found a lump in her breast. the families of the three americans are not commenting, wolf, on these latest developments. since the u.s. has no diplomatic relations with iran, it relies on the swiss government. the state department is workin through the swiss and others to gainhe release of all three americs being held. wolf. >> all right, mary, thanks very much. let's go deeper with fran townsend. fran is an external board adr to both the cia and homeland security partment here in washington. how extraordinary, unusual is this so-called bail? >> you know, wolf, i want to be careful because, of course, all three are still in iranianity custy. but it's very odd to me that they want -- they're asking for cash in exchange for the release. i you'd expect is if the iraan government really