This article regards the issues of 'State' and 'Politics' starting from the concrete example of the institutionalization process, in Brazil, of professional practices in psychology recognized as Institutional Analysis (french branch of group psychology considerably spread in the last 20 years). I try to expose a less visible face of the judicialization that works at the level of beliefs and values among the operators of the equipments where the public policies are materialized engendered by the legalist excess. Among the modalities of this attachment to law, it is taken into analysis that one closer to our public practices labeling the utmost grade index of its institutionalization: the consensual acceptance of the capacity as a legitimacy criterion in the 'instruments of institutional violence' operation.
public function; militancy; institutional analysis; method as strategy