6 . ▁It ▁re open ed ▁the ▁case ▁after ▁new ▁information ▁came ▁to ▁light . ▁The ▁h edge ▁fund , ▁which ▁has ▁now ▁closed , ▁denied ▁any ▁wrong do ing . ▁ ▁M ado ff ▁fra ud ▁Le aders ▁of ▁the ▁U . S . ▁Sec ur ities ▁and ▁Exchange ▁Commission ▁( SE C ) ▁test ified ▁on ▁February ▁ 4 , ▁ 2 0 0 9 ▁before ▁the ▁United ▁States ▁House ▁Committee ▁on ▁Fin an cial ▁Services ▁sub comm ittee ▁including ▁L inda ▁Thom sen ▁SE C ▁enfor cement ▁director , ▁acting ▁General ▁Coun sel ▁Andy ▁Voll mer , ▁Andrew ▁Don oh ue , ▁Erik ▁Sir ri , ▁and ▁L ori ▁Rich ards ▁and ▁Stephen ▁L up arel lo ▁of ▁the ▁Fin an cial ▁Indust ry ▁Reg ul atory ▁Author ity ▁( F IN RA ). ▁ ▁The ▁subject ▁of ▁the ▁hear ings ▁was ▁the ▁question ▁as ▁to ▁why ▁the ▁SE C ▁had ▁failed ▁to ▁act ▁when ▁Harry ▁Mark opol os , ▁a ▁private ▁fra ud ▁investig ator ▁from ▁Boston , ▁alert ed ▁the ▁SE C ▁detail ing ▁his ▁persistent ▁and ▁un success ful ▁efforts ▁to ▁get ▁the ▁SE C ▁to ▁investigate ▁Bernard ▁L . ▁M ado ff , ▁beginning ▁in ▁ 1 9 9 9 . ▁ ▁Voll mer ▁claimed ▁executive ▁privile ge ▁in ▁decl ining ▁to ▁answer ▁some ▁questions . ▁ ▁Sub comm ittee ▁chairman ▁Paul ▁Kan jor ski ▁asked ▁Mr . ▁Voll mer ▁if ▁he ▁had ▁obtained ▁executive ▁privile ge ▁from ▁the ▁U . S . ▁att orney ▁general