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Reference is made to your urmoranduni of 1 lvoaler l349 coieornin; t)e use of drurs byez RaarTer interroration purposes nd roquect for information to qssist: the outhorities in this rogarti.

This office has been conducting rescarch in the use of drurs for interrocation purposes and is fully apprecintive of the problem Caced by théer zessearaesesin nchievine mximun results Iren the uso of such irus. It has beon our éxperionco Li-t the gse of riraes is not the mnd uuto itrelf in iuterrogatien but is merely a mons to dovelop a stato of subconscious isolntion. The irug is adlministered as a moens ef brecking vown ke inlividunl's inhi.itions rud through n specinl technique makting contact with the subernscious nind to ho e.clusion of conscious resistauce. The success or fniluro afler the use of drugs depunds entirely on this technique of transferring lihe subject fror a tomporary drugged stato into a state of subconscious iselntion. This tochniquo is not one that ean be reduced to an operational instruction. Fer eny dorr.o of succces persounel must be sclected with careful consideration and trninod iy spsci-lists in tho uso of this tochnique.

This effico is intercsted in providlingnill thc ncecssry inierticu in the Ciold of drup inkarrogation. It is reco monpted thet enplopees of your starf to bo a cigued to the ee sseser be sornened by your erlice end I 6 to determine the individunl or individuals best qunlified lo reccive ietailcd training in the fiold of drug interrogation. The employces so seloctod could then be treined by I & S to a dogres sulficient to obtnin the desirol results in drua interrogation. This information or techuique cn thon bc utilizod hy your e to fhrther your relotion with thofas. and to sevelop their abilities under drur interrogation to thc degrec t uudor the cireumstonces as dotornined necossary by your stoff. It is cur opinion that the treining of your employees is the only fensible nenner in makin- this in-'oraekiou aveloblo Lo the field station. Trilton tustructiens in uhe a e such technique ary bo nisiuterpreted er couc serions ropercussiens wi erens prrconal training vould result it ? Cairly high derree of succons.

A/8,IZ, 1, 2 6 Decener 1549

Chief, lnepection & Security Staff

Interrocation