The Army's top legislative official has taken responsibility and resigned, said the Army statement, which summarizes the results of an investigation by the Army Inspector General.

CNN: Crusader controversy results in career casualty

The studies -- one conducted by a senior panel of military officers and civilian experts and another by the Army's Inspector General -- are complete, Meyer said.

CNN: Main banner

Other deaths the inspector-general's report found were caused by faulty electrical equipment or improper grounding include the death of Army Spc.

CNN: 'Multiple' failures led to Iraq electrocution, Pentagon says

The Army inspector general is expected Tuesday morning to deliver a report on the circumstances under which the Army last week sent a paper of "talking points" to Capitol Hill defending the need to keep the Crusader program alive.

CNN: Rumsfeld, Army chief said on 'collision course'