Before revision: Snowden stated that he raised concerns with two superiors in the Hawaii regional base of the NSA Threat Operations Center and two superiors in the Technology Directorate of the NSA beginning in October 2012, and therefore that in the NSA .
After revision: Snowden stated that he had raised concerns about this with his superiors at the NSA beginning in October 2012, specifically with two superiors in the Hawaii regional base of the NSA Threat Operations Center and two superiors in the Technology Directorate of the NSA .