we were stopped at the road in cocula that actually borders the rio san juan.the prosecutors was there — one of the federal prosecutors — and he blocked with his pick—up our way. and he said, "you can't pass right now. "there's an operation going on. "you can't continue. " we were like, "what on earth is going on here?" at that time, we didn't suspect much, so we waited in the cars for a while and then, they let us pass, and that was it. the next day on october 29, one of the federal prosecutors came to the garbage dump and said, "we have "another site. "you should come now." and that's when they took us to the rio sanjuan. we realised when 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