Surveillance footage has become one of the most powerful tools in modern criminal investigations, helping authorities identify suspects, reconstruct timelines, and secure convictions in high‑profile cases. In How Surveillance Footage Helped Solve 5 Infamous Crimes, A&E Crime + Investigation highlights how video from phones, security cameras, and doorbell systems played pivotal roles in cases such as the Boston Marathon bombings and other notorious crimes. Investigators relied on thousands of video clips from public and private sources to track suspects’ movements and corroborate witness accounts. Experts note that while video evidence can be compelling, it must be carefully authenticated to ensure accuracy and prevent manipulation. When verified through digital forensic analysis, surveillance footage can act as a silent eyewitness—often providing the critical breakthrough that brings resolution to complex and emotionally charged cases. [aetv.com]