In 2020 it will be 15 years since the implementation of the accusatory criminal process in Colombia. The implementation of Law 906 of 2004 represented a real paradigm shift, which has been adequately embraced by our society. However, it is very important to conduct a retrospective analysis in order to evaluate what has worked optimally and what aspects deserve to be brought to the agenda in order to improve Colombian judicial praxis. This article aims to discuss some aspects that are not much talked about, but that would renew the functioning of our criminal process.