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TOwa

PRONDOS

SUBJECT:

eger was orginially associated with Crine Laborstory, raryr During this timo he wes engaged in a serics of tosts on unitorsity students to deternino the efficacy of socallsd "truth sorums".

His tests consisted in having subjocts come to the laboratory vith sone porson they trusted. The subjpects xere assured that they would not be asked eny personal or enbaressing questions and if they did reveal any personel information during the test"thoir trusted frieud was thore to protect their intorests.

ww nould have the subjects list several questiens that he could csk thom. Asong these questions wore somo that the exeminer could not possibly kzow, i.e., telephone nuzbers, nemes of distant relatives, etc..

The censral conclusions that Se reached as a result of these tasts were: (1) the results of drug interrogation zere about 50% ecnurate, (2) the most difficult problem the examiner fnced vas to separate the disjcinted bsbbling of the subject, intended to be nisleadinz from the statomonts of the subject innocently misleading,end (3) if the, subjact Jould not divulge information under a conpentently done intsrrogation without the use of drugs, he tuld very seldom divulge the inoraation while under the influcnce of drugs.

These general conclusicas wore not based' solely on the tests conducted upon tho students but wero also based on the many exsminations with drugs thst he conductod on actual criminal subjects.

At presont is the Director of the g State Police Crimo Laboretory, E He has held this post for several years and the writer doos not know if he is still expérimonting with drugs and their truth inducing effect.

If a socurity chcck is to be run on-Esos it is respectfully sucgestud tiat Professor sswa be contacted. oa has kowa Mamerfor meny years and would Eladly cooperate with an investigator on this mntter.r is presontly e=ployed as Profassor of Lar at University, Ca

Respecttully subaitted,

STADAMI

Office MenOrandun • UNITED STATES GOVERNMENT

DATE: 12 June 1951