«TOWARDS CITIES OF INFORMERS? COMMUNITY-BASED SURVEILLANCE
International audience ; What are the effects of citizen-based surveillance? Examining contrasted programs in France and Canada, this article shows that citizen involvement in surveillance actions can have ambivalent, multifaceted effects. Participatory surveillance can help to strengthen the community's sense of belonging, while paradoxically contributing to instil fear. However, these initiatives do not inevitably lead to a culture of generalized suspicion. Depending on the ability of residents to open up controversial subjects for debate, such programs can also leave the way open to a democratization of public action.