Have you heard the term innocent until proven guilty? There is nothing much to see here. Absence of evidence is not evidence of absence.

I have some thoughts on your evidence:

• blocktrades was communicating with darthknight and offering assistance
• darthknight trusts blocktrades
• this only points to the fact that they are teaming up and helping eachother solve a problem
• blocktrades owns an exchange so it makes sense that he is routing and telling others to route to accounts tied to his exchange

I'm curious to ask are you just trying to spread doubt? I understand you are mistrustful of them. They are probably mistrustful of you. Such speculations and accusation does not help to built trust.