Three test subjects enter a gas chamber, which will fill with mustard gas, as part of the military's secret chemical warfare testing in March 1945. Courtesy of Edgewood Arsenal hide caption

itoggle caption Courtesy of Edgewood Arsenal

Rollins Edwards as a young soldier in 1945 at Clark Air Base in the Philippines. Courtesy of Rollins Edwards hide caption

itoggle caption Courtesy of Rollins Edwards

When Sara Garcia's son, Mark, was released from solitary confinement, she also became his unofficial case manager: seeking a psychiatrist, job leads and writing out applications for food stamps. Julia Robinson for NPR hide caption

itoggle caption Julia Robinson for NPR

Brian Nelson, 50, at his home in Chicago. Five years after he was released from solitary confinement, he says it's still hard to be around people. Peter Hoffman for NPR hide caption

itoggle caption Peter Hoffman for NPR

After the earthquake in Haiti, the American Red Cross raised nearly $500 million. Five years later, it is difficult to know where all that money went. Marie Arago for NPR hide caption

itoggle caption Marie Arago for NPR

John Coffell sits at his grandmother's table in Hulen, Okla. An injury at a tire plant last year left him unable to work. Brett Deering for ProPublica/AP hide caption

itoggle caption Brett Deering for ProPublica/AP

Dennis Whedbee, of Homer City, Pa., lost half of his left arm in a drilling accident in North Dakota in September 2012. Jeff Swensen for ProPublica hide caption

itoggle caption Jeff Swensen for ProPublica