Authorities Cited: United States Code 18 U.S.C. § 1512(c)(1) 21 U.S.C. § 841(a)(1) Supreme Court 375 U.S. 85, 86-87 378 U.S. 368, 380 384 U.S. 436, 444-486 386 U.S. 18, 24 422 U.S. 853, 859 438 U.S. 154, 155-928 466 U.S. 648, 659 466 U.S. 668, 692 507 U.S. 725, 734 541 U.S. 36, 53-124 Circuit Courts 387 F.2d 333, 334 524 F.2d 485, 487 609 F.2d 216, 219 859 F.2d 1559, 1580 897 F.2d 97, 100 902 F.2d 336, 341 905 F.2d 1489, 1493 918 F.2d 987, 992 964 F.2d 899, 904 972 F.2d 171, 177 122 F.3d 605, 610 194 F.3d 1186, 1195 306 F.3d 295, 304 323 F.3d 884, 895 368 F.3d 1359, 1362 426 F.3d 1318, 1321-1322 432 F.3d 1189, 1202-1206 Federal Rules of Evidence Fed. R. Evid. 801(c) Fed. R. Evid. 802 Fed. R. Evid. 803(3)