In an undated image provided by the U.S. Army, Army Pfc. Vanessa Guillen, 20, who has been missing from her unit since April 22, 2020. A woman has been taken into custody in connection with the disappearance of the Fort Hood soldier who has been missing since April, the Army said on Wednesday, July 1, 2020. A second suspect, identified only as a soldier, took his own life in Killeen, Texas, on Tuesday, the Army said. (U.S. Army via The New York Times) -- FOR EDITORIAL USE ONLY. --