CITIZEN SLEUTHING 101
THE DOE NETWORK
This volunteer organization solves cold cases, specifically those concerning unidentified bodies (Jane and John Does). THE NATIONAL CENTRE FOR MISSING PERSONS AND UNIDENTIFIED REMAINS canadasmissing.ca The RCMP created this site (the first of its kind in Canada) to engage the public in reporting tips on ongoing cases.
This Web forum has a devoted community that tackles homegrown and international crimes. The site is so popular that Dateline regularly mines it for stories.