five separate trips to produce this exclusive report on the underground railroad run by mohammed umer. so, i first met umer back in 2015, and umer is — or at that time was a schoolteacher, he was running a nonprofit sort of covering uyghur language in uyghur culture, and then seeing, you know, the tragedy happening to the uyghur people within china, he was incredibly motivated to do something, to help. so he began what's essentially this underground railroad where he's smuggling threatened uyghurs out of china, bringing them into pakistan and then trying to find a safe location that they can emigrate to. for all the promises of cpec to transform pakistan's economy, some groups see these developments as a threat and have mounted a violent campaign of resistance,