Who carries out investigation for election-related criminal offenses?

Art. 176 : The police is in charge of findingviolations of the law, collecting evidence and carrying out investigationsabout the offenders in case this information is not known.

(? La police judiciaire est charg?e deconstater les infractions ? la loi, en rassembler les preuves et d'enrechercher les auteurs tant qu'une information n'est pas ouverte. ?)

Link :http://www.vertic.org/media/National%20Legislation/Chad/TD_Code_Procedure_Penale.pdf