Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program Refining the Isotopic Fingerprint in Modern Mexican Populations: Using Strontium, Carbon, Nitrogen and Oxygen to Determine Region of Origin for Deceased Undocumented Border Crossers Presenting section: Anthropology 2007 Juarez, Chelsey A., Fresno CA View the paper Anthropology