The word "Proved" has lost all its meaning in Pakistan.
We see all those mega corrupt people and murderers roaming free, everyone knows about them, have seen them doing the act. But hey, can you prove it?
How? Witnesses are murdered, evidence is burnt, neutral honest officers are replaced, judges are threatened, opponent lawyers are killed.
And if despite all of the above some evidence still survives, it is made controversial or "out of context". There are murderers caught who have said they have received instructions from this dude and now what? MQMers are just denying it?
What evidence do you need? And what evidence would you accept to finally open your eyes and see real faces of these goons wearing a mask of "decenty"?