A link to an information guide created by the RCMP National Forensic Laboratory Services.
It is an excellent guide to reference for details regarding many type of forensic exhibits, and what they may be able to provide. It is available, for free, via this link which is updated on a regular basis, and highly credible resource.
http://www.rcmp-grc.gc.ca/en/investigators-guide-national-forensic-laboratory-services
