Xiaoyu Alan Zheng is a mechanical engineer in the NIST Surface and Nanostructure Metrology Group. His research is focused on objective measurements and analysis of 2-D/3-D ballistics toolmarks. He is currently a member of the Subcommittee on Firearms & Toolmarks in the NIST OSACs as well as a technical adviser for AFTE.
Xiaoyu Alan Zheng
Mechanical Engineer, NIST Surface & Nanostructure Metrology Group
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