A Chicago police officer is gunned down while driving home from work, and numerous agencies are joining the investigation into the shooting.\n\nAccording to officials, the ATF and the Cook County Sheriff's Office are helping to in https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5343512153 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5343523422 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5353112241 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5421111314 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5421511534 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5425152121 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5425212421 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5425441553 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5425515314 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5432354541 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5442421545 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5443255524 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5443323513 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5452532145 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/default/browser.html?Connector=https://world-article.com/&id=Como_hackearnuevoEPIC5452534521 https://www.visn2.va.gov/CFIDE/scripts/ajax/FCKeditor/editor/filemanager/browser/d