"In the Spirit of Crazy Horse," is really about contemporary America and the way American law is seen through the eyes of American Indians. It is not the tale of a particular tribe or geographically centered culture but rather of a political group spanning the entire spectrum of tribes and geography—the American Indian Movement, or AIM, as it has come to be known. Mr. Matthiessen focuses on the deadly confrontation between AIM and the F.B.I., and specifically on the execution-style murder of two F.B.I. agents at Ogala, S.D., on June 26, 1975, and the events that followed. (p. 26)

The issues of guilt and innocence—both in their technical legal sense and in their broader moral sense—are still vigorously disputed; they form the basis for much of Mr. Matthiessen's narrative. He is at his best when he discusses the complex and compelling moral issues...