Mukuro nods, knowing full well you will get no better resource than himself. Not only has he experienced it first hand, but he has the self-awareness to realize what actions of his were deemed as inappropriate by normal standards. Of course there really was only so much damage that could be reversed with Mukuro. While his intelligence allowed him to figure out how to act properly around people, he never did quite figure out the point of genuine empathy.

"Now imagine what would happen to this fellow if he happen to slip up? Perhaps he mistook a couple on the street playing around and accidentally snapped the boy's neck. What would happen to him? He would either be locked away, or forced to flee with the label of 'monster'. You see, integration is something next to impossible for that very reason."

which is why it would be best if you left this 'Kaito' up to Mukuro