brian kill lead. >> democrats are sticking up for ms 13, nancy pelosi trying to find all sorts of reasons they should be able to stay. these are stone cold killer is, vicious killers. jillian: you can catch brian killmead's interview at 6 am eastern. stay tuned for that. rob: north korea ave. threat against the united states putting next month's high-stakes summit in singapore in question. jillian: journalists touchdown in north korea to witness the dismantling of a nuclear test site. todd pyro joins us to tell us what it means. >> reporter: we are following two big developments. all eyes on the secretive nuclear test site near the chinese border with foreign media there for distraction of the access tunnels. these new satellite images of