▁is ▁a ▁special ▁operations ▁agent ▁and ▁formerly ▁worked ▁with ▁the ▁I RT . ▁Sim m ons ▁has ▁a ▁wife , ▁Krist y ▁( K elly ▁F ry e ), ▁and ▁has ▁a ▁total ▁of ▁four ▁children , ▁including ▁two ▁boys ▁( J ake ▁and ▁David ) ▁and ▁tw in ▁daughters , ▁all ▁of ▁them ▁under ▁the ▁age ▁of ▁ 3 . ▁He ▁was ▁a ▁former ▁member ▁of ▁a ▁special ▁o ps ▁unit , ▁and ▁his ▁experience ▁with ▁the ▁unit ▁allowed ▁him ▁to ▁h one ▁his ▁profil ing ▁skills . ▁Following ▁the ▁dis band ment ▁of ▁the ▁I RT , ▁Sim m ons ▁ass ists ▁the ▁B AU ▁in ▁taking ▁down ▁Mr . ▁Sc r atch , ▁and ▁is ▁later ▁rec ru ited ▁to ▁the ▁B AU ▁as ▁a ▁replacement ▁for ▁the ▁late ▁Stephen ▁Walker , ▁becoming ▁the ▁last ▁addition ▁to ▁the ▁team ▁in ▁the ▁series . ▁At ▁the ▁end ▁of ▁the ▁four teenth ▁season , ▁Sim m ons ▁and ▁Krist y ▁announ ce ▁their ▁pre gn ancy ▁with ▁the ▁fifth ▁child , ▁and ▁the ▁following ▁year , ▁Krist y ▁gives ▁birth ▁to ▁daughter ▁Ros em ary ▁Sim m ons ▁( wh om ▁her ▁parents ▁had ▁attempted ▁to ▁name ▁after ▁colle ague ▁David ▁Ros si ). ▁ ▁Rec urr ing ▁ ▁Er in ▁Stra uss ▁( J ay ne ▁At kin son ; ▁seasons ▁ 2 – 3 , ▁ 5 – 9 ), ▁an ▁assistant ▁director ▁and ▁the ▁B AU ▁Unit ▁Chief ' s ▁direct ▁superior . ▁While ▁her ▁F BI ▁experience ▁was