Guibert offered to draw the things that Lefevre didn't capture -- such as the scenes that featured Lefevre himself -- creating an unusual book merging photography and art that was published in 2009.
Investigators comb crime scenes ever more finely for new kinds of evidence, which is creating problems with the tracking and storage of evidence, so that even as the criminals leave fewer traces of themselves behind, a backlog of cold-case evidence is building up.