DARPA’s ‘ECHO’ Project: A Computer System That Declares You’ve Been ‘Exposed’ to a Biological or Chemical Threat—With No Physical Evidence

by Jon Fleetwood, Jon Fleetwood: Raising questions about how such determinations could be independently verified or challenged. In 2018, the Defense Advanced Research Projects Agency (DARPA) proposed building a portable computer system allegedly capable of determining whether a person had been exposed to biological or chemical threats—including weapons of mass destruction (WMD) and their precursors. […]