▁ad oles c ence . ▁His ▁father ▁often ▁left ▁their ▁Mar in ▁residence ▁for ▁extended ▁periods ▁to ▁live ▁in ▁San ▁Francisco ▁with ▁a ▁male ▁lo ver . ▁Frank ▁Lind h ▁said ▁he ▁and ▁Mar il yn ▁had ▁been ▁separated ▁since ▁ 1 9 9 7 . ▁ ▁In ▁ 1 9 9 7 , ▁at ▁the ▁age ▁of ▁ 1 6 , ▁Lind h ▁converted ▁to ▁Islam . ▁He ▁began ▁regularly ▁att ending ▁mos ques ▁in ▁Mill ▁Valley ▁and ▁later ▁in ▁nearby ▁San ▁Francisco . ▁In ▁ 1 9 9 8 , ▁Lind h ▁tra ve led ▁to ▁Y emen ▁and ▁stayed ▁for ▁about ▁ 1 0 ▁months ▁to ▁learn ▁Arab ic ▁so ▁that ▁he ▁could ▁read ▁the ▁Q ur ' an ▁in ▁its ▁original ▁language . ▁He ▁returned ▁to ▁the ▁United ▁States ▁in ▁ 1 9 9 9 , ▁living ▁with ▁his ▁family ▁for ▁about ▁eight ▁months . ▁ ▁Lind h ▁returned ▁to ▁Y emen ▁in ▁February ▁ 2 0 0 0 ▁and ▁left ▁for ▁Pakistan ▁to ▁study ▁at ▁a ▁mad ras a . ▁While ▁abroad , ▁Lind h ▁ex changed ▁numerous ▁emails ▁with ▁his ▁family . ▁In ▁one , ▁his ▁father ▁told ▁him ▁about ▁the ▁USS ▁Cole ▁bomb ing , ▁to ▁which ▁Lind h ▁replied ▁that ▁the ▁American ▁naval ▁destroy ers ▁being ▁in ▁the ▁Y emen ▁har bor ▁had ▁been ▁an ▁act ▁of ▁war , ▁and ▁that ▁the ▁bomb ing ▁was ▁just ified . ▁" This ▁raised ▁my ▁concerns ," ▁his ▁father ▁told ▁News week , ▁" but ▁my ▁days ▁of