Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program ALS Detection and Collection of Touch DNA From Porous and Nonporous Substrates Presenting section: Criminalistics 2011 Dawson Cruz, Tracey, Richmond VA; Illescas, Maria J., Richmond VA; Dean, Hayley, Richmond VA; Davis, Carey P., San Diego CA View the paper Criminalistics