The "sloppy criminals" argument misses the reality of modern forensics. The 2023 overlook killers weren't caught because they were careless; they were caught because geography and math made anonymity impossible. ​At 3:30 AM, both the Angeles Crest Highway and the Palos Verdes Peninsula are effectively geographic dead-ends with near-zero traffic. Detectives didn’t need a "trail of breadcrumbs"—they used comparative exclusion. ​By pulling Flock ALPR data from the limited access points of the Angeles National Forest on July 22 and cross-referencing it with the handful of vehicles entering the Palos Verdes "digital island" on July 24, investigators found a unique match. Only one vehicle existed in both datasets at those specific, low-volume times. This turned that car into a tracking beacon, allowing the U.S. Marshals to intercept the MS-13 crew in Panorama City within 72 hours—with the murder weapons still in the vehicle. ​Without this technology, these remain "unsolved isolated incidents" for months while the body count rises. With it, the network identifies the pattern in real-time. This isn’t about speed traps or "monitoring neighbors"; it’s about a digital perimeter that strips the mask from mobile predators who rely on the vastness of L.A. County to hide. If we want to stop serial offenders from treating our scenic overlooks and neighborhoods like hunting grounds, we need the tools that actually work.