“60S” returns this entry:

147441102 What must be completed to engage MI over other (3) letter agencies During the 1950s and 60S, federal troops and federalized National Guard forces, accompanied by military intelligence personnel, were deployed to help integrate Southern schools23 and to help deal with civil disorders in Detroit in 1967 and other cities the following year after the assassination of Dr. Martin Luther King Jr.24 Throughout this period military intelligence units also continued to collect data on Americans at home who were suspected of involvement in subversive activities.25 In the late 1960S, the Pentagon compiled personal information on more than 100,000 politically active Americans in an effort to quell civil rights and anti-Vietnam War demonstrations and to discredit protestors.26 The Army used 1,500 plainclothes agents to watch demonstrations, infiltrate organizations, and spread disinformation. 2 ' According to one report, the Army had at least one observer at every demonstration of more than twenty people.28 The Army's activities were summed up by Senator Sam Ervin: Allegedly for the purpose of predicting and preventing civil disturbances which might develop beyond the control of state and local officials, Army agents were sent throughout the country to keep surveillance over the way the civilian population expressed their sentiments about government policies. In churches, on campuses, in classrooms, in public meetings, they took notes, tape-recorded, and photographed people who dissented in thought, word, or deed. This included clergymen, editors, public officials, and anyone who sympathized with the dissenters.