Some key intelligence in Sanaa City was delivered by Justin, but mainly it's the handiwork of Rostotsky and Lebyazhef, especially those lodgings, safe houses, and the selected main attack targets, which are the result of preparatory work done before coming.
Before the troops move, logistics must go first, and even before logistics, intelligence work has long begun.
These preparations, few others could do them well, and some people simply wouldn't know how to start. Other than Yake, no one else in Satan has this capability. Number Thirteen isn't suited; he's just a killer. His global perspective and approach to issues are not aligned with real intelligence personnel.
However, the Black Demon, anyone randomly chosen can accomplish this work.
So Grewatov and his team came for several months and must produce a perfect answer. Gao Yang can be satisfied with it, but whether it's done well, he can't tell. However, Yarebin cannot be fooled.
