In 2011, first-grade teacher Ellen Greenberg, 27, was found in her apartment stabbed to death: a colander of blueberries in the sink and a fresh sliced orange on the counter.
An unmanned aerial system flies during an Advanced Drone Course at Fort Carson, Colo., Feb. 19, 2026 (U.S. Army photo by Sgt. Zachary Myers) The U.S. Air...