As Kissinger complained to the president, “We are the ones who have been operating against our public opinion, against our bureaucracy, at the very edge of legality.”
Source, in full
FRUS: Documents on South Asia, 1969–1972, vol. E-7 (online at history.state.gov), White House tapes, Oval Office 637-3, 12 December 1971, 8:45–9:42 a.m. Hereafter cited as FRUS, vol. E-7. quoted in Bass, G. J. (2014). The Blood telegram: Nixon, Kissinger, and a forgotten genocide.