Make constructive reviews of judges decisions is useful for democracy. This paper aims to make a detailed review of the precedent built by the Supreme Court of Justice related with the figure of the extraneus, which is incorporated in the final paragraph of Article 30 of the Colombian Criminal Code, in relation to the crime of contract without legal compliance of article 410 of the Colombian Criminal Code. For this, a line of sentences is constructed and analyzed from the dogmatic approach with the purpose of studying if the treatment that the jurisprudence of the CSJ gives to the denominated criminal category extraneus is the most adjusted to the postulates of the dogmatics with base in approaches found in doctrine. Thus, the main objective of the work is study if precedent of the Supreme Court in relation to the figure of the extraneus in the offenses of infringement of duty against the public contracts and, from there, to decant the correct dogmatic interpretation of the institution, putting in mind possible problems in front of the principles of legality, strict typicity and unit of imputation in criminal law.