Maybe there is another issues we aren't grasping, he is constantly saying about other parties involved.

If there is an US gov investigation which is forcing Mark to cooperate they could issue a gag order, that would explain the silence.

Also depending on where is the cold storage the authorities could very well restrict Karpeles from using them.

It is just thoughts but it would add a little bit of reality on the matter, because it is impossible to lose so much on theft, and nobody stay so quiet while the business you are working so hard crumble to pieces.

What is not being said is what matter the most.

http://www.reddit.com/r/BitcoinMarkets/comments/1z2xo5/speculation_the_us_government_has_control_of_goxs/