WBEZ brings you fact-based news and information. Sign up for our newsletters to stay up to date on the stories that matter.This weekend, a group known as the Youth Peace Movement is holding simultaneous marches in Chicago and Philadelphia. Organizers say the goal is to call attention to the continued need to decrease gun violence in both cities. Jessica Disu (who goes by FM Supreme) is an organizer with Youth Peace Movement. She joins us to share more on the event.