Heisenberg's uncertainty principle
may be hindering DC sniper investigation
. An interesting, albeit unanswerable, question: Is the sniper responding specifically to feedback from the media -- or are the examples in the linked article "cherry-picking" to make the point? Also, apparently the art of "profiling" as practiced by TV expert commentators can very effectively destroy any profile investigators may have constructed on the guy. Think before you post to this thread: the sniper could be a Metafilter reader.