Even if they can't they can charge enough to connect to make it unrealistic. But then when you talk to the person one level up the food chain it is easy peasy. Can you come off another structure?

"In time of war, send me all the Alabamians you can get, but in time of peace, for Lord's sake, send them to somebody else." General Edward H. Plummer

"Blessed are those who, in the face of death, think only about the front sight." Jeff Cooper