▁Mate en ▁held ▁an ▁active ▁conce aled ▁carry ▁permit ▁and ▁an ▁armed ▁security ▁guard ▁lic ence . ▁He ▁was ▁said ▁to ▁have ▁passed ▁a ▁psych ological ▁test ▁and ▁medical ▁exam ▁performed ▁by ▁Dr . ▁Sy ed ▁Sh a fe eq ▁Rah man , ▁who ▁had ▁close ▁t ies ▁with ▁Mate en ' s ▁family . ▁It ▁was ▁also ▁noted ▁that ▁Mate en ▁had ▁no ▁criminal ▁record . ▁According ▁to ▁lic ens ing ▁records , ▁he ▁was ▁a ▁prof ic ient ▁shoot er ▁who ▁scored ▁in ▁the ▁ 9 8 th ▁percent ile ▁with ▁a ▁ 9 mm ▁sem ia ut om atic ▁p istol . ▁ ▁After ▁the ▁shooting , ▁a ▁psych ologist , ▁who ▁was ▁said ▁to ▁have ▁evaluated ▁and ▁cleared ▁Mate en ▁for ▁his ▁fire ar ms ▁lic ence ▁in ▁ 2 0 0 7 , ▁according ▁to ▁the ▁records ▁of ▁the ▁security ▁company ▁G 4 S , ▁denied ▁ever ▁meeting ▁him ▁or ▁having ▁lived ▁in ▁Florida ▁at ▁the ▁time , ▁and ▁said ▁she ▁had ▁stopped ▁her ▁practice ▁in ▁Florida ▁in ▁January ▁ 2 0 0 6 . ▁G 4 S ▁admitted ▁Mate en ' s ▁form ▁had ▁a ▁" cler ical ▁error ", ▁and ▁clar ified ▁that ▁he ▁had ▁instead ▁been ▁cleared ▁by ▁Rah man , ▁who ▁was ▁from ▁the ▁same ▁firm ▁that ▁bought ▁the ▁wrong ly - named ▁doctor ' s ▁practice . ▁Rah man ▁had ▁not ▁interview ed ▁Mate en , ▁but ▁evaluated ▁the ▁results ▁of ▁a ▁standard ▁test ▁used ▁in ▁the ▁screen ing ▁he ▁under to ok