This report presents the results of the analysis of Linterna Verde carried out in association with the Digital Democracy Room of the FGV DAPP on the behaviour of Twitter between 1 July and 27 October 2019. The aim was to determine the dynamics of this social network as a space for electoral debate, as well as the possible impact that its technological and design specificities had on the results of the elections. To this end, digital conversation analysis platforms (Sysomos, Brandwatch and Trendsmap) were used. The focus was on four of the most important cities in the country: Bogotá, Barranquilla, Cali and MedellĂn, and some specific cases of disinformation were analysed.