▁In ▁ 1 9 7 2 ▁he ▁joined ▁the ▁office ▁of ▁the ▁U . S . ▁Att orney ▁for ▁the ▁District ▁of ▁New ▁Jersey ▁as ▁an ▁Ass istant ▁U . S . ▁Att orney . ▁He ▁was ▁the ▁Chief ▁of ▁the ▁Department ▁of ▁Justice ▁Organ ized ▁Crime ▁St rike ▁Force ▁for ▁the ▁District ▁of ▁New ▁Jersey ▁from ▁ 1 9 7 6 ▁to ▁ 1 9 7 8 , ▁and ▁the ▁First ▁Ass istant ▁U . S . ▁Att orney ▁from ▁ 1 9 7 8 ▁to ▁ 1 9 8 0 ▁under ▁Robert ▁J . ▁Del ▁T uf o . ▁ ▁In ▁September ▁ 1 9 8 0 , ▁after ▁Del ▁T uf o ▁res igned ▁from ▁his ▁position ▁as ▁the ▁U . S . ▁Att orney , ▁Robert son ▁was ▁sw orn ▁in ▁to ▁fill ▁the ▁remainder ▁of ▁his ▁term . ▁He ▁served ▁until ▁December ▁ 1 9 8 1 , ▁when ▁the ▁new ▁U . S . ▁Att orney , ▁W . ▁H unt ▁Dum ont , ▁was ▁sw orn ▁into ▁office . ▁ ▁After ▁leaving ▁office ▁he ▁joined ▁the ▁law ▁firm ▁of ▁Hann och ▁We is man , ▁P . C ., ▁where ▁he ▁worked ▁for ▁eigh teen ▁years . ▁He ▁went ▁on ▁to ▁c of ound ▁the ▁firm ▁of ▁Robert son , ▁Fre il ich , ▁Bruno ▁& ▁C ohen , ▁L LC ▁in ▁January ▁ 1 9 9 9 . ▁ ▁Robert son ▁died ▁on ▁July ▁ 1 0 , ▁ 2 0 0 8 ▁at ▁the