Fort Hood: That No Such Attack Ever Occurs Again

Posted by Jim Harper

Colleagues and correspondents have kindly shared their understandable discomfort with my conclusion in recent posts that the Fort Hood shooting was nearly impossible to discover in advance, and thus prevent.

The one ray of hope I can offer is that the shooting itself makes such things more foreseeable, putting the military community and investigators on notice prospectively that this kind of thing can happen. No formal policy change can do more than the Fort Hood shooting itself to ferret out inchoate incidents like it in the future. Belief that the Fort Hood shooting was easily preventable, though, is 20/20 hindsight.

I first read How We Know What Just Isn’t So: The Fallibility of Human Reason in Everyday Life to get a handle on how it became so plausible after the September 11, 2001 attacks that terrorists might next use chemical, biological, and nuclear weapons. Recall that their weapons of choice for the World Trade Center and Pentagon attacks were box cutters. How did we proceed to the assumption that nuclear terrorism was next?

One explanation is the “representativeness heuristic,” a mental shortcut people use to organize the world around them. “According to this overarching belief, effects should resemble their causes, instances should resemble the categories of which they are members, and, more generally, like belongs with like.” (page 133)

Big causes have big effects, so big effects come from big causes. … Right?

Read the rest of this post »