From "Avatar: The Last Airbender: The Crossroads of Destiny (#2.20)"
[to the Dai Li
] This coup must be swift and decisive. The Earth King, and each of the five generals, must be taken out simulataneously. Long Feng has placed you in my command while we overthrow the government. If I sense any disloyalty, any hesitation, any weakness at all, I will snuff it out. That is all.