and that's when they took us to the rio sanjuan.hen they took us to the rio san juan that that was close to the same spot where we had been stopped the day before. there were already federal forensic experts next to the river. they were extracting from a plastic bag a black bag, like a garbage one. they told us that that bag had been recovered by scuba divers that were inspecting the river. and then, i saw one fragment of bone that was, you know, considerably larger than what we were seeing at the garbage dump in cocula and almost not damaged by fire and so, i thought "well, if there are more remains "like this, we may be able at least to extract "dna "like this, we may be able at least to extract "dna and compare it against the dna of the families." by then, as i said, we had worked on a number of cases in mexico where forensic evidence had been tampered with and you're constantly asking yourself what part of the evidence can you trust? and so, when we go to the rio sanjuan and see this fragment that is way larger and almost not bu