"The Dark Lord would never believe us," he says shaking his head. "He'd see through us in a heartbeat.

No. What we need to do is to render Rodolphus useless. Even if the Dark Lord did believe our story that Rodolphus is a traitor he'd kill him and use the body for an Inferius.

We have to make Rodolphus someone not worth having. It would devestate him to be unable to serve his beloved master, alive or dead."