We do have a lot of new tools for solving crimes, yes. But criminals also have a lot of new tools for committing crimes and evading detection. Even if we are g

We do have a lot of new tools for solving crimes, yes. But criminals also have a lot of new tools for committing crimes and evading detection. Even if we are getting better, we have a long way to go. Murder and Aggravated Assault are the only crime categories where the clearance rate in the US is above 50%. Most are much lower. (source: http://www.fbi.gov/ucr/cius2008/offenses/clearances/index.html http://www.fbi.gov/ucr/cius2008/offenses/clearances/index.ht...) I also feel obliged to point out that the last time I happened to glimpse some sort of CSI-like show on TV, the investigators were zooming in on someone's eyeball in security tape footage to see what was reflected there. CSI is possibly not the best source of information when drawing conclusions about the state of crime-solving technolgies.