In this episode of Intel Focus: The Review Series, we delve into the pivotal role of Open Source Intelligence (OSINT) in counterterrorism efforts. Uncover how analysts harness publicly available data—from news articles to social media posts—to monitor and mitigate terrorist threats. Using the Westgate Mall attack as a case study, we illustrate the digital battleground where both terrorists and authorities vie to control narratives. Explore real-world applications, the ethical implications of OSINT, and the transformative potential of AI and machine learning in shaping its future. Gain practical insights and tips to become an adept OSINT user, and understand the evolving intelligence landscape in today's digital age.