“Top officials in both the Trump and the Biden Administrations privately suspect that Russia is responsible for the Havana Syndrome. Their working hypothesis is that agents of the G.R.U., the Russian military’s intelligence service, have been aiming microwave-radiation devices at U.S. officials to collect intelligence from their computers and cell phones, and that these devices can cause serious harm to the people they target. Yet during the past four years U.S. intelligence agencies have been unable to find any evidence to back up this theory.” The New Yorker: Are U.S. Officials Under Silent Attack? “The Havana Syndrome first affected spies and diplomats in Cuba. Now it has spread to the White House.” (A couple years ago when I asked a friend paid to worry about future mass threats what he really worries about, he said this.)