▁ 9 - 1 - 1 ▁operator ▁that ▁Pop law ski ▁had ▁guns , ▁the ▁police ▁officers ▁were ▁not ▁told . ▁ ▁Three ▁police ▁officers ▁were ▁ultimately ▁confirmed ▁dead , ▁and ▁another ▁two ▁were ▁seriously ▁injured . ▁ ▁According ▁to ▁Pitts burgh ▁Police ▁Chief ▁Nathan ▁Har per , ▁Pop law ski ▁was ▁armed ▁with ▁a ▁semi - autom atic ▁A K - 4 7 - style ▁rif le , ▁a ▁Sav age ▁ 6 7 ▁ 1 2 - g au ge ▁shot gun , ▁a ▁. 2 2 - cal iber ▁M oss berg ▁ 7 0 2 ▁Pl ink ster ▁semi - autom atic ▁rif le ▁and ▁two ▁hand g uns ▁( a ▁ 4 - inch ▁Dan ▁W ess on ▁Model ▁ 1 4 ▁. 3 5 7 ▁Mag num ▁revol ver ▁and ▁a ▁. 3 8 0 - cal iber ▁B ers a ▁Th under ▁ 3 8 0 ▁hand gun ), ▁protected ▁by ▁a ▁bullet proof ▁vest , ▁and ▁had ▁been ▁lying ▁in ▁wait ▁for ▁the ▁officers . ▁ ▁According ▁to ▁police ▁and ▁witness es , ▁he ▁held ▁police ▁at ▁bay ▁for ▁four ▁hours ▁as ▁the ▁fallen ▁officers ▁were ▁left ▁ble eding ▁nearby , ▁their ▁colle agues ▁unable ▁to ▁reach ▁them . ▁More ▁than ▁ 6 0 0 ▁r ounds ▁were ▁fired ▁by ▁the ▁SW AT ▁teams ▁and ▁Pop law ski . ▁ ▁The ▁vict ims ▁were ▁the ▁first ▁Pitts burgh ▁city ▁officers ▁killed ▁in ▁the ▁line ▁of ▁duty ▁in ▁ 1 8 ▁years . ▁The ▁incident ▁was