Is he actually saying:
"I used YOUR funds to speculate" and
"sorry - couldnt know there is risk involved. I am an experienced trader." 
Do I actually misunderstand the business model of an
escrow-service? Where the heck did you see a potential benefit for the user with the Bitcoinica adventure?
Bitcoinica went down quite a while ago - how could you cover up this mess such a long time?