1.0American Civil Liberties UnionNoam Shemtov/news/author/nshemtovrich600338<blockquote class="wp-embedded-content" data-secret="AvuybJsk2G"><a href="/cases/gonzalez-v-trevino">Gonzalez v. Trevino</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="/cases/gonzalez-v-trevino/embed#?secret=AvuybJsk2G" width="600" height="338" title="“Gonzalez v. Trevino” — American Civil Liberties Union" data-secret="AvuybJsk2G" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> This case is about what a plaintiff must demonstrate to sustain allegations that police arrested them in retaliation for First Amendment–protected expression. While retaliatory arrest plaintiffs generally must show that police lacked probable cause to arrest them, the petitioner in this case correctly argues that a recognized exception to that rule, for cases where police typically exercise discretion not to arrest people, must be robust to protect the free speech of government critics.