&gt; Although the Constitution of the United States does not cite it explicitly, presumption of innocence is widely held to follow from the 5th, 6th, and 14th amendments. See also Coffin v. United States and In re Winship. [0]<p>One does not sign away Constitutional rights because they become a police officer.<p>[0] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Presumption_of_innocence#The_fundamental_right" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Presumption_of_innocence#The_f...</a>