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B/6 2 Artichoke Tuam

ashington Heidquartors B. A echnical Spaclalist, I& S D. Technician, I &S .3.' Suljects for Testing

4.Cperational Fersonnel

....Various.persons intarestod in.and. aoncerned with tha handling of the subjects and in tho effectivenoes bf tho technique being tauted, including representativos orreerras andothers, participated in the testing efforts. Division Chiefs,, case officers,.interpruters and others cooporated in an admirable manner.to provide maximum-favorable conditions for the testing.

A full.measure. of, support, was.provided by the Office of Administratlon and Logistics. Coordination was affected by the Office

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3. Testing consisted of inter:ogation of tho sutjects tefore 1:
and aftar administering chemical "suostances" identified aa "C",
and. in varying dosages and combinntions. Thu substances ware . 1.
given \_to the subjects in coffee or beor under conditions api.roximating
in so far as possible, informal social conversation in a friendly.
vein. 'Theorotically, tho subjects were unwittlng of tho fact that
the "substances" hid boon introduced into.their beveragus. In fact,
however, some complained of an unpleasant bitterness in thoir drinks.

4. It was explainod by that tho."aubstanco" would cause the subject to become fricndly toward his interrogator, volufule and expansive in his conversation, self-confident and unafraid, free 5 of cartain consoious and unconscious inhibitions,and generally disposed to diacuss freoly subject matter which normally he might wish to withhold.

5. Contrary to initial underslandings Snivised the team membera and cortain case officers in conference that the "substance" could not be expacted to weaken or, ovarccne a subject's motlvation for deception, and further, thit if a subject wore a liar, the substance might cause him to lie. more and with more conviction.

6. In rosponse to questioning ehemed unable to
establish what types of sutjects he thoughtmight frovide the best
material for successful testing. Certain cbjoctions ware raised to
every type, of available subject euegested. Upon being pressed,. inally agreed that any typo provided would serve his

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Recommondations recommended that tho DCi-ba succinctly advised that five subjects;mceting. the qualifications prascribed by preliminar notification were field tested by visiting toams sponsored by G maxima support by tha using newly davalopod.interro gation technique with reaults oonsidered to.be. lnconclusive and Renerallyunsatisfactory