What is The Psychopath Test about?

Jon Ronson is a journalist who starts investigating a strange series of anonymous books sent to academics around the world, and ends up spending a year exploring psychopathy, the Hare Psychopathy Checklist, and the question of whether the diagnostic categories psychiatry uses are tools for understanding people or labels that do damage of their own.

The book begins with Bob Hare, the Canadian psychologist who developed the twenty-item checklist that has become the standard instrument for diagnosing psychopathy. Ronson learns to use it, then starts applying it everywhere. He interviews Tony, a man who faked madness to avoid prison and cannot convince anyone he is now sane. He interviews Al Dunlap, the corporate raider who dismantled companies, fired thousands of workers, and now lives behind an electric fence with statues of predatory animals. He visits Broadmoor, a high-security psychiatric hospital, and meets men who are there indefinitely, not because they committed crimes but because they are considered dangerous.

Ronson's central question is diagnostic: how do we decide who is a psychopath, and what do we do with that designation? He is genuinely uncertain whether the construct is a useful scientific category or a way of marking certain people as beyond ordinary moral consideration. He is particularly interested in the presence of psychopathic traits in powerful people — CEOs, politicians — and in whether those traits are selected for by certain institutions.

The book wobbles between serious inquiry and comic set-pieces. Ronson's self-deprecating style sometimes undermines the weight of what he is describing. But it also models a kind of productive confusion — someone genuinely unsure what to believe, learning in public, and questioning whether the confidence of experts is warranted. The Psychopath Test is less a study of psychopathy than a study of how psychiatric labels travel through the world and what they do when they arrive.