Probe in airman's death finds multiple failures at jail at Joint Base San Antonio-Lackland FacebookTwitterEmail A pedestrian uses a walkway at the main gate to Joint Base San Antonio-Lackland in February. An Air Force investigation found flaws in Lackland’s jail facility after a suicide there last year.Eric Gay /Associated Press An Air Force investigation into Joint Base San Antonio-Lackland’s jail found multiple failures in policies and procedures that contributed to the death of a suicidal airman held there last year. Released Monday, the report identified “significant concerns” that presented “an unacceptable level of risk” at the Lackland Confinement Facility.