I don't think that the issue is whether or not assassination is OK. There may be arguments for assassination in some cases. The problem lies in letting the CIA do that assassination. The CIA was banned from assassination for a long time, with good reason, lest it become an all-powerful entity with no reason to…

wow. That is a great example of not thinking through the consequences. You probably shouldn't put a self-destruct button on your software if you don't want bad guys pressing it.

How does an exploit on a server turn into an exploit on his laptop and iphone? Did he have some service turned on that allowed remote access?