The guerrilla must move amongst the people as a fish swims in the sea. Mao Tse-Tung claimed in On Guerilla Warfare that the guerrilla move seamlessly amongst the people. If the guerrilla are the fish and the people the sea, then police intelligence are the blue fish which live and hunt in that sea alongside them. All modern counterinsurgency theories rely on separating the people from the insurgent. But Randall Wilson's Blue...