, ▁also ▁denied ▁the ▁alleg ations . ▁ ▁These ▁alleg ations ▁lost ▁much ▁of ▁its ▁cred ibility ▁when , ▁in ▁February ▁ 2 0 0 9 , ▁Ger ardo ▁Agu ilar , ▁known ▁as ▁" C és ar ", ▁was ▁extr ad ited ▁to ▁US ▁by ▁the ▁Colomb ian ▁Supreme ▁Court ▁on ▁charges ▁of ▁n arc ot ra ff ick ing ▁and ▁then ▁sent enced ▁to ▁ 2 7 ▁years ▁in ▁j ail . ▁He ▁was ▁charged ▁with ▁ex ch anging ▁c oca ▁for ▁weapons ▁and ▁supplies ▁and ▁with ▁sm ugg ling ▁ 1 , 0 0 0   kg ▁of ▁c oca ▁into ▁the ▁US ▁since ▁ 2 0 0 2 . ▁His ▁sentiment al ▁partner , ▁Nancy ▁Con de ▁Rub io ▁( alias ▁Dor is ▁Adri ana ) ▁had ▁already ▁been ▁extr ad ited ▁under ▁charges ▁of ▁consp iring ▁to ▁aid ▁and ▁giving ▁material ▁support ▁to ▁terror ist ▁organizations , ▁after ▁being ▁captured ▁in ▁an ▁independent ▁operation . ▁ ▁Form er ▁French ▁diplom at ▁No ël ▁S ae z ▁and ▁Colomb ian ▁journalist ▁ ▁have ▁also ▁claimed ▁that ▁the ▁Colomb ian ▁government ▁negoti ated ▁the ▁host age ▁release ▁with ▁César ▁in ▁advance . ▁ ▁Mis use ▁of ▁a ▁Red ▁Cross ▁em blem ▁ ▁On ▁July ▁ 1 5 , ▁ 2 0 0 8 , ▁it ▁was ▁reported ▁that ▁according ▁to ▁un pub lished ▁photos ▁and ▁video ▁foot age ▁viewed ▁by ▁CNN , ▁which ▁the ▁network ▁decl ined ▁to ▁buy ▁from ▁its ▁source ▁and ▁whose ▁authentic ity ▁it ▁could ▁not ▁verify