5 Sliii llilSWi • _ -• 1·11 'ihi r • ·'If o - -urn rs --- 111111- CTOR nee• - · ' UNrq1 n STATES DEPART IENT J-'1 Dl- HAL DVRl• AU OF INVES'flGATION Vr'AlilllNGTOJli D C 20U May 12 1969 MEMORANDUM FOR 111E ATTORNEY GENERAL I P TECHNICAL SURVEILLAUCE REQID ST OECLA6S FIED Par _ I A ' - r B t f i By ' fl ' CC Date lj On May 10 1969 Colonel Alexander M Haig who is ssigned to Dr Henry A Kissinger's staff ca e to this Bureau o advise that a request was being made on the highest authority which involves a matter of most grave and serious consequence to our national security Ho stressed that it is so sensitive it demands handling on a need-to-know basis with no record ·maintained He requested that telephono surveillance be placed on tha following ind i viduals to determine if a serious security problem exists Daniel Ira Davidson Morton H Halperin Colonel Robert Pursley and Holmut Sonnenfeldt Oavidson is aged 32 and is Department of Stato employee who has been on detail to the National Security Council since Deceruber 1968 He was assigned to the Paris peace conference bot ·een f tay and November J 968 Applicailt-type investigation by this Bureau indicated while in Pai·is he 1 portedly leaked iniorma• tion to newspaper coucerning happe nings nt the pence conference This apparently was at the beginning of his assignment and after being • warned ho discontinued his reported lealcs Halperin aged 30 was detailed from the Department of Defense to the National Security Cou cil as a senior staff member on January 21 1969 IIe was tho subject oi an applicant-type investigation by this Bureau While adruittedly ho has had cont ct ' Tith Soviet nationals the investigation did no t disclose a t tha time any pertinent derogatory information The files of this Bureau contain no identifiable information concerning Colonel Robert Pursley Sonnenfeldt aged 42 was detailed to the National Security Council on January 21 19G9 from the Department of State where he had bean employed in various administrativo capacities since 1947 An applicant-typo investiGation disclonad th t durin Jdid 1950's and early 1060's ha as s uspected of TCP Beft T Group l Excluded from automatic JI' J ' e e I Memorandu111 for the Attorney Gon n •al RE COLONEL ALEXANDER M HAIG leaking classified information to unaut orized sources Th' ' ' i ' t t q w' 'l r _ r nrl11r 'teti hy n r i T'tmPni of State however no information was developed indicating he ' was responsible for leaks · Colonol Haig is Military Assist11nt to the Assistant to the President for national security affairs Ho was the subject · of an applicant-tyPe investigation and no derogatory information 'was deveI oped concerning him · · This Bureau is in a pos1tion to conduct the necessary telephone surveillances requested by Colonel Haig r Respectfully NAJ J n Edgar Hoover Director APPROVED DATE f • _ t· _ _ ·---------------- -· 1 ° j • • I ' ' • I ' L i • ' • __ ____ Z · I - 2 - ·