Greetings from Robert Thompson from NIST.
The research team I managed have released the information on the 3D digital preservation of the JFK ballistic artifacts. See link to story, photos, and video.
https://www.nist.gov/news-events/news/2019/12/kennedy-assassination-bullets-preserved-digital-form
This an example of the emerging technology in Firearm-Toolmark examinations.
/Robert M. Thompson
Robert.m.thompson@nist.gov