Rodolphus listened carefully to his brother's elaboration about this mudblood. To be honest, he really didn't think the man was worth anything, but again, hew as not one to waste a potentially useful tool.
He considered his answer carefully. "If you think it is worth pursuing this man in the event he'll give away some information, then you should pursue it."
"But if he's true to form, then you are most likely better off just getting the better of him, and moving on. The sort of distraction he creates can often put us off our game. Make us not see the true dangers."
"He could just as easily use that knowledge against us." He put that forward. "Would it be better to be rid of him instead of the alternative?"