On 12 March LingvaLexa experts delivered an OSINT training to the employees of, at Chernihiv Regional Prosecutor's Office The attendees acquired valuable skills and tools to effectively collect and analyse information from the World Wide Web. The methods of working with various sources, ranging from social media to news portals, were presented. The trainers taught prosecutors how to verify the authenticity of information and differentiate the truth from lies. One of the key points of the training was the incorporation of practical examples and exercises to help participants put the knowledge into practice. The trainers also provided recommendations on how to maintain a positive image and control the information space. At the end of the training, the participants departed with a sense of eagerness and readiness to implement new approaches in their work. Such initiatives constitute an important step towards enhancing the professionalism and efficacy of the law enforcement system, especially in the context of the ongoing investigations of war crimes committed by Russians in Ukraine today.