Episode I.D. Help! - Search for Tourist's Camera...
I recall an episode in which there was a plot point about a tourist having taken a photo of a suspect's car. Somehow the photo becomes public, but it is too blurry to make out the license plate. The head of the crime lab (Che Fong?) thinks that they can sharpen the photo if only they had the camera's original lens, so the hunt is on for the tourist who took the photo.
Anybody know which episode this is?