▁Frank , ▁Mon ica ▁left ▁once ▁again . ▁However , ▁Mon ica ▁returned ▁in ▁series ▁ 8 , ▁after ▁the ▁family ▁receives ▁news ▁that ▁her ▁daughter , ▁Deb bie , ▁has ▁been ▁killed . ▁She ▁acted ▁the ▁same ▁way ▁with ▁Frank ' s ▁new ▁partner , ▁Lib by ▁Cro ker ▁( Paul ine ▁Mc L yn n ), ▁as ▁she ▁earlier ▁did ▁with ▁She ila . ▁It ▁soon ▁became ▁apparent ▁that ▁the ▁death ▁was ▁a ▁ho ax ▁set ▁up ▁by ▁Mon ica ▁and ▁her ▁civil ▁partner , ▁a ▁psych iat ric ▁nur se ▁called ▁M ild red , ▁who ▁dress es ▁up ▁as ▁an ▁army ▁officer ▁and ▁tells ▁Lib by ▁that ▁Deb bie ▁was ▁killed ▁in ▁Afghan istan . ▁Mon ica ▁looked ▁set ▁to ▁claim ▁back ▁her ▁family , ▁even ▁going ▁as ▁far ▁as ▁to ▁demand ▁cust ody ▁of ▁her ▁young est ▁children ▁and , ▁when ▁Frank ▁and ▁Lib by ▁were ▁reun ited , ▁Mon ica ▁admitted ▁that ▁the ▁reason ▁she ▁returned ▁was ▁truly ▁for ▁Frank ▁as ▁he ▁was ▁the ▁one ▁and ▁she ▁would ▁" always ▁come ▁back ". ▁However , ▁Frank ▁knew ▁that ▁she ▁would ▁leave ▁again , ▁the ▁same ▁as ▁she ▁did ▁before ▁to ▁him ▁and ▁to ▁Norm a ▁and ▁wouldn ' t ▁let ▁her ▁ru in ▁another ▁of ▁his ▁relationships , ▁so ▁chose ▁to ▁stay ▁with ▁Lib by . ▁It ▁was ▁then ▁revealed ▁that ▁Li am ▁( who ▁started ▁war ming ▁up ▁to ▁her ▁before ▁leaving ▁in ▁series ▁ 6 ) ▁had ▁decided ▁to ▁live ▁with ▁Mon ica ▁perman ently