![Charles Bonaparte, the attorney general for President Theodore Roosevelt.](/sites/default/files/styles/large/public/220px-CJBonaparte.jpg?itok=PcXLJN72)
Charles Bonaparte
![Pinkerton detectives.](/sites/default/files/styles/large/public/800px-Pinkerton_escorts_hocking_valley_leslies.jpg?itok=ARlIRYqZ)
Pinkertons
"Stop Watching US"
![This drawing shows anarchist Leon Czolgosz shooting President William McKinley.](/sites/default/files/styles/large/public/McKinleyAssassination.jpg?itok=7i1D3myz)
McKinley Assassination
![Attorney General A. Mitchell Palmer created the Radical Division of the Bureau of Investigation.](/sites/default/files/styles/large/public/220px-Alexander_Mitchell_Palmer.jpg?itok=VFPW6_Ap)
A. Mitchell Palmer
![William Sullivan.](/sites/default/files/styles/large/public/William_Donovan.jpg?itok=zR91BSaF)
William Sullivan
![Protesters hold a sit-in at an entrance to the Pentagon in October 1967.](/sites/default/files/styles/large/public/609px-Vietnamprotestors.jpg?itok=Bn-hm98d)
Protesting the Vietnam War
![Martin Luther King, Jr.](/sites/default/files/styles/large/public/494px-Martin_Luther_King_Jr_NYWTS.jpg?itok=E1m0k66y)
Martin Luther King, Jr.
![Richard Helms and President Richard Nixon.](/sites/default/files/styles/large/public/27cia-600.jpg?itok=2Mip5s-v)
Richard Helms and Richard Nixon