The investigating officer performs the necessary research to elucidate criminal incidents in connection with organized crime, criminal groups, youth and street gangs, as well as morality, alcohol or narcotics.
Depending on his field of expertise, the investigating officer corroborates, in particular, the investigation strategy that should lead to the discovery of the perpetrators of the crimes. He gathers the relevant information allowing him/her to build the evidence necessary to solve investigation cases.
Moreover, with his knowledge of these types of crime, he attempts to anticipate criminal activities that could disturb public safety.