Acknowledgements -- Who does he think he is? -- How psychologists work -- Treatment needs assessment : who needs it? -- Risk assessment : coffee cans and crystal balls -- Formulation : when "i don't know" is the correct answer, all other answers are wrong -- Intervention : a suitable case for treatment? -- Evaluation : what works and how would we know? -- Communication : who's listening? -- The parole process : who goes home? -- Heuristics and biases : how can we be so stupid? -- Are we hardwired for poor judgement? -- The future of forensic (and maybe other) psychology -- Leaving the science behind -- References.