This Babel Street article discusses the rise of illegal street rallies, also known as "takeovers" or "sideshows," where car enthusiasts gather for chaotic and often criminal activities. Law enforcement struggles to predict and control these events due to their spontaneous nature and social media coordination. Babel Street Insights, an open-source intelligence (OSINT) tool, helps authorities monitor social media, identify organizers, and disrupt these illegal gatherings before they occur.