Complex sentence: After killing all the "human shields", the Crusader plans to ambush all reinforcements coming to him.A full squadron of S.W.A.T. officers arrives, with the crusader ruthlessly killing them.
Split into simpler sentences: After killing all the human shields, The Crusaders, plan to ambush all reinforcement coming to him. The full squadron of S.W.A.T. officers arrived, with the crusaders ruthlessly killing them.