[Continued from Part 1 of 2] Joseph Brooks Jr. was a policeman's son from Detroit and one of the few black students to win entrance to both a prestigious local preparatory school and the Massachusetts Institute of Technology. Friends in the fraternity house where Mr. Brooks lived recall no hint of anger or illness, only that Mr. Brooks was absurdly meticulous about his chores, and studied so compulsively that they nicknamed him "Books." But in his third year at M.I.T.,... (GunPolicy.org)