attacked a police and army patrol in Tripoli
... that a former member of ISIS who was arrested in 2016 and released in 2017 attacked a police and army patrol in Tripoli, killing four people, in 2019?
... that a former member of <a class="mw-redirect" href="./Islamic_State_of_Iraq_and_the_Levant" id="mwBxs" rel="mw:WikiLink" title="Islamic State of Iraq and the Levant">ISIS</a> who was arrested in 2016 and released in 2017 <b id="mwBxw"><a href="./2019_Tripoli_shooting" id="mwBx0" rel="mw:WikiLink" title="2019 Tripoli shooting">attacked a police and army patrol in Tripoli</a></b>, killing four people, in 2019?