] "Toronto Crime Stoppers" posts crime scene photos in which
] victim(s) and perpetrator(s) have been digitally removed. The
] batch of images linked in this post once depicted acts of violent
] sexual abuse of a nine-year-old girl, but now contain only
] inanimate objects -- a sofa, a bed, a wall, a water fountain.
] They're published online with a public request that anyone who
] recognizes the site contact authorities.

This is an interesting technique.

Crime Scene Photographs