close Video Fox News Flash top headlines for August 20 Fox News Flash top headlines are here.... The jury had been deliberating since Tuesday afternoon. Gannon, 32, the department’s K-9 officer, waskilled in April 2018 while he and other officers were serving an arrest warrantfor a possible probation violation at a Barnstable home.... Latanowich charged with killing a Massachusetts police officer, Yarmouth police Sgt....