Hsieh Hui Mei Chen, 754 F.2d 817, 822 (9th Cir. 1985) (affirming bribery convictions including $100 bribe to immigration official); United States v. Bishton, 463 F.2d 887, 889 (D.C. Cir. 1972) (afirming bribery conviction for $100 bribe to division chief of District of Columbia Sewer Operations Division).