Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program The Mystery Behind the Composition of Black Fingerprint Powders Session: General 2019 Behnke, Grayce, Houston TX; Kardohely, Andrea, Wichita KS; Rushton, Catherine G., Huntington WV; Quinones, Rosalynn, Huntington WV View the paper General