loyalties change once they’re no longer convenient. Remember, informants have to blend in. The loyalties you wear on your sleeve have to match the people around you. It’s a kind of theatrics, and a good actor will tell you that the best way to get into a character’s head will be by relating to them, even if they’re the villain. To inform on enemies of the state, you have to think like one; to become one.” He made an expansive gesture. “That’s spycraft, summed up.”

