ed ▁this ▁figure , ▁calling ▁it ▁" spe cul ative " ▁ ▁to ▁the ▁Express ▁Trib une . ▁ ▁Public ▁E ye ▁Award ▁G 4 S ▁was ▁one ▁of ▁the ▁nom ine es ▁for ▁the ▁ 2 0 1 3 ▁Public ▁E ye ▁Award , ▁a ▁counter - event ▁created ▁by ▁N GO s , ▁which ▁awards ▁the ▁worst ▁company ▁of ▁the ▁year . ▁ ▁Employee ▁O mar ▁Mate en ▁G 4 S ▁was ▁in ▁the ▁news ▁in ▁June ▁ 2 0 1 6 ▁because ▁of ▁employee ▁O mar ▁Mate en , ▁the ▁gun man ▁behind ▁one ▁of ▁the ▁worst ▁mass - sh oot ing ▁inc idents ▁in ▁United ▁States ▁history , ▁who ▁was ▁employed ▁as ▁a ▁security ▁guard ▁by ▁the ▁company . ▁In ▁October ▁ 2 0 0 6 , ▁Mate en ▁had ▁begun ▁working ▁as ▁a ▁rec ruit ▁for ▁the ▁Florida ▁Department ▁of ▁Cor re ctions , ▁being ▁assigned ▁to ▁the ▁Martin ▁Cor re ction al ▁Institution . ▁In ▁a ▁letter ▁explaining ▁his ▁ju ven ile ▁record ▁as ▁part ▁of ▁his ▁successful ▁application , ▁Mate en ▁explained ▁the ▁incident ▁of ▁when ▁he ▁was ▁arrested ▁at ▁school ▁when ▁he ▁was ▁four teen . ▁Following ▁the ▁Virginia ▁Te ch ▁shooting ▁in ▁April ▁ 2 0 0 7 , ▁Mate en ▁suggested ▁in ▁a ▁corre ctions ▁officer ▁training ▁class ▁that ▁he ▁would ▁bring ▁a ▁gun ▁to ▁class . ▁P . H . ▁Ski pper , ▁who ▁was ▁the ▁w arden ▁at ▁institution , ▁wrote ▁that ▁" in ▁light ▁of ▁the ▁trag ic ▁events ▁at