What's Killing Pittsburghers?
If this Google Maps from the Pittsburgh Tribune Review is anything to go by the answer to the question 'what is killing Pittsburghers?' is 'guns and drug overdoses'.
The map shows deaths handled by the Allegheny County Medical Examiners Office during the last four years. It is possible to filter the results by 'homicide' or 'drug overdose'. It is also possible to filter the results by year.
In the map sidebar there are options to centre the map on specific neighborhoods and to refine the results further by race, age, gender or cause of death. The 'What is killing Pittsburghers?' map also uses the Google Maps Styled Map feature to present a suitably appropriate black and white base map.