- Screening the Prosecutor

• Coleman v. Alabama 399 U.S. 1,90 S. Ct. 1999,26 L. Ed. 2d 387,1970 U.S.

• Vasquez v. Hillery 474 U.S. 254,106 S. Ct. 617,88 L. Ed. 2d 598,1986 U.S.

• Costello v. United States 511 U.S. 1069; 114 S. Ct. 1644;128 L. Ed. 2d 364; 1994 U.S.