Responsible Data Reflection Stories 3 A collection of real-life examples of the risks that are faced when using data in advocacy work, along with mitigation strategies to overcome these challenges. Creating an app for vulnerable communities Using technology in order to reduce the incidence of violence among criminalised citizens. Context The primary organisation works to support and reduce violence against a disproportionately criminalised population–that is, a group who face disproportionate violence and social exclusion, and who are often treated as criminals without reason. For reasons of anonymity, the group they work with will be referred to throughout this case study as a criminalised population. their aim: using technology to empower members of the criminalised population to share knowledge among themselves, ultimately reducing incidences of violence. The primary organisation are working together with a social enterprise technology company to develop an application that members of the criminalised population can use to report incidents of violence. Their report is then sent out to members of the same community, who are in a similar geographic location to where the report originated from, and, if consent is given, the report is also shared with the police, with no details given about who reported it.