There is such an obligation. In fact, just yesterday, a judge dismissed a case in the middle of a trial to punish a prosecutor for not disclosing information t

There is such an obligation. In fact, just yesterday, a judge dismissed a case in the middle of a trial to punish a prosecutor for not disclosing information to the defense -- and the information had only a tenuous relevance to the case: https://www.theguardian.com/us-news/article/2024/jul/12/a-botched-prosecution-alec-baldwins-trial-gets-shock-ending-fit-for-hollywood https://www.theguardian.com/us-news/article/2024/jul/12/a-bo...