HMM: Army Tests Sole-Killer Theory As Details Emerge. “Military and federal investigators pointedly refused to release further details on how the shootings happened, why there were initial reports of multiple attackers and why officials took several hours to correct news media reports that Major Hasan had been killed. Most significant, officials were not prepared to say whether the attack was the act of a lone and troubled man or connected to terrorist groups, foreign or domestic.” As I said before, early reports are often wrong. Stay tuned.