A member of the FBI’s Hazardous Evidence Response Team, uses an iPad to capture 3D images of a scene contaminated by hazardous evidence at the Evergreen Elementary School, Joint Base Lewis-McChord, Wash., May 20, 2026. The 10th Civil Support Team, Washington National Guard, and the FBI’s HERT, conducted a four-day exercise culminating in several realistic response scenarios requiring CST and HERT personnel to operate side-by-side to preserve evidence and mitigate hazards. (U.S. National Guard photo by Adeline Witherspoon)