Arthur Garfield Hays, the general counsel for the American Civil Liberties Union, lectured on "Martyrs of Injustice."  Hays participated for the defense in both the Scopes evolution trial in Tennessee and the Sacco and Vanzetti anarchist murder trials in Massachusetts, and he soon would join the in the defense of the "Scottsboro Boys," nine young black men accused of rape in Alabama in March 1931.