• Line up the postcards to see an X. Note that the X on the postcard points to the Museum, Zoo, Park and Police station.
• Notice that everywhere the killer lived was always in the middle if you draw an x between the Museum, the Park, the Zoo and the Police Station.
• Find the location that is at the middle of the x between the Museum, the Park, the Zoo and the Police Station. That location is Stanford Blvd.