▁or ▁Mor oc co , ▁but ▁Mo ble y ▁refused ▁his ▁advice ▁and ▁has ▁not ▁returned ▁to ▁the ▁mos que ▁for ▁three ▁years . ▁ ▁According ▁to ▁one ▁report , ▁Mo ble y ▁had ▁been ▁in ▁Y emen ▁" for ▁at ▁least ▁a ▁year " ▁prior ▁to ▁the ▁shooting . ▁At ▁first ▁he ▁studied ▁Arab ic ▁at ▁a ▁language ▁inst itute ▁in ▁S ana ' a ▁and ▁then ▁Al - E man ▁University , ▁which ▁is ▁run ▁by ▁She ikh ▁Abd ul ▁Maj eed ▁al - Z ind ani . ▁A ▁later ▁report ▁indicated ▁he ▁had ▁tra ve led ▁to ▁Y emen ▁two ▁years ▁prior . ▁Two ▁years ▁before ▁the ▁shooting , ▁he ▁moved ▁to ▁Y emen ▁supposed ly ▁to ▁study ▁Arab ic ▁and ▁Islam , ▁but ▁a ▁law ▁enfor cement ▁official ▁said ▁he ▁had ▁tra ve led ▁over se as ▁for ▁the ▁purpose ▁of ▁joining ▁a ▁terror ist ▁organization . ▁The ▁last ▁time ▁his ▁mother ▁C yn th ia ▁spoke ▁to ▁him ▁was ▁in ▁January . ▁A ▁U . S . ▁law ▁enfor cement ▁official ▁said ▁the ▁government ▁had ▁been ▁aware ▁of ▁Mo ble y ' s ▁possible ▁extrem ist ▁t ies ▁" long ▁before " ▁he ▁was ▁arrested . ▁ ▁Mo ble y ▁was ▁in ▁contact ▁with ▁An war ▁al - A w la ki , ▁the ▁al - Q a eda ▁former ▁im am ▁now ▁based ▁in ▁Y emen ▁who ▁was ▁also ▁in ▁contact ▁with ▁three ▁of ▁the ▁September ▁ 1 1 ▁attacks ▁hij ack ers , ▁the ▁Christmas ▁Day