Let's say I take a picture of the Eiffel Tower in front of the casino in Las Vegas. That type of pattern might suggest I'm just a tourist. But if my next one is of another dam or electrical station, someone might say 'Well, that's kind of strange'. What do the different pieces of the puzzle mean when you put them together? And one of the advantages of geographic profiling in geography is a common denominator for so many different types of information sources.