幕后真凶

The inquiry will have subpoena power and will look into possible criminal or civil violations by the operators of the drilling rig, Transocean, a Swiss company, and related companies.

这次调查已经开始进入传讯阶段并且试图找出引发事故的幕后真凶——瑞士的石油公司或者是其他相关公司技术员工可能出现的操作失误。

Such ploys can make it hard to identify exactly who is behind a particular online assault, says Adam Vincent of Cyber Squared, another security firm.

来自另一家网络安全公司Cyber Squared的Adam Vincent说，这样（僵尸网络的）形式的攻击真的很难定位到某次入侵的幕后真凶是谁。

Government officials have already said privately that they strongly suspect the North is behind the sinking.

多名政府官员私下表示他们非常怀疑朝鲜，认为朝鲜是沉船事件的幕后真凶。