447 U.S. 649 447 U.S. 649 100 S.Ct. 2395 65 L.Ed.2d 410 William WALTER, Petitioner,v.UNITED STATES. Arthur Randall SANDERS, Jr., et al., Petitioners, v. UNITED STATES. Nos. 79-67, 79-148. Argued Feb. 26, 1980. Decided June 20, 1980. Syllabus When an interstate shipment of several securely sealed packages containing 8-millimeter films depicting homosexual activities was mistakenly […]