Clinical practice in the prison environment is part of a special epistemological and praxeological clinic generally classified in the field of the clinical of extreme. The last one is itself defined as: «… clinical practice where all the practitioner technic, personal and ethical abilities are simultaneously and extremely requested i.e. with a particular intensity, in a way generally recognized as excessive, in the limit of what is usually tolerable for a human being.

We find necessary to pose a very particular look on the activities of the staffs implied in this clinical practice. Our experiment allows us to think that it is more complex to consider a neutral clinical practice in such situations where our human condition is exposed by a constant tension carried by the distress of the patient in front of us, his potential dangerousness and factors of guiltiness that sometimes are invited in the encounter.