1.0MS NOWhttps://www.ms.nowMS NOWhttps://www.ms.nowrich600338<blockquote class="wp-embedded-content" data-secret="9yg6qteMfg"><a href="https://www.ms.now/chris-jansing-reports/watch/nypd-suspect-in-nyc-shooting-has-documented-mental-health-history-244006469538">NYPD: Suspect in NYC shooting has ‘documented mental health history’</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.ms.now/chris-jansing-reports/watch/nypd-suspect-in-nyc-shooting-has-documented-mental-health-history-244006469538/embed#?secret=9yg6qteMfg" width="600" height="338" title="“NYPD: Suspect in NYC shooting has ‘documented mental health history’” — MS NOW" data-secret="9yg6qteMfg" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! 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> https://res.cloudinary.com/msnow/images/f_auto,q_auto/v1762454489/1753806184996_n_jansing_santia_verni_galen_gunman_kills_nypd_officer_three_other_new_york_city_250729_1920x1080-s5tds0-1/1753806184996_n_jansing_santia_verni_galen_gunman_kills_nypd_officer_three_other_new_york_city_250729_1920x1080-s5tds0-1.jpg?_i=AA19201080A gunman who killed a NYPD officer and three others in a Manhattan high-rise building last night left behind a note that referenced the NFL and CTE, according to sources. MSNBC Investigative Correspondent Marc Santia reports from outside the building. Former NYPD Detective Tom Verni and independent political strategist Reed Galen join Chris Jansing to discuss the latest updates.