Originally Posted By: drakino
This article says that the head detective of the Visual Images, Identifications and Detections Office at New Scotland Yard claims that CCTV was only useful for solving 3% of crimes.

Unfortunately the article isn't very clear on whether that's 3% of solved crimes, 3% of reported crimes, or 3% of all crimes. That last would be an impressive and worthwhile figure IMO.

Peter