St. Louis streetwalker serial killer, Maury Travis, sent the local newspaper a computer generated map giving the intersection where he left a body. Investigato

St. Louis streetwalker serial killer, Maury Travis, sent the local newspaper a computer generated map giving the intersection where he left a body. Investigators determined that web-based mapping software Expedia was used--based on symbols used to mark highways and such--ruling out Mapquest, Yahoo, and others. A single person had clicked on that intersection in Expedia in the 5 days before the map was received by the newspaper. They traced the person presumably using the IP address. This was back in 2001. It's odd that we still have unsolved street crime given that everyone today carries a tracking device sending back real-time geolocation data.