Those are the ones Tunguska sends to negotiate with Praxis. They speak the language. I find that terryfing enough on a family of hardened, sociopatic criminals that shoot first and care not about answers XD. And that "Toc toc Penny" joke? Creative interrogation after a Corregidor's Tomcat engineer complained his heavy duty tools showed up all gore-y after her break. The dudes didn't even paid for the rent!