User blog comment:HalointheSkye/Volume 3 Chapter 8 - Destiny (IN WHICH SH*T'S GOING DOWN)/@comment-27312496-20160111234505/@comment-108.79.10.237-20160112024152

And adding to what Ahpolki Inika said, even if they were to get exposed, Cinder will very likely have a plan b ready, if the crowd turn against them, Cinder and co. could just kill as many of them as possible and the grimm finishing the rest.