 The judge in this case permitted for the first time the results of sodium amytal to be admitted as evidence in a federal case.He stated that although any testimony under the influence of barbiturates could not be foolproof, he found the exculpatory evidence was in this case very helpful in uncovering discrepancies that lead to a not guilty verdict.Opponents of narcosynthesis argue that there is little scientific evidence to warrant its use as a reliable source of interrogation, citing misuses by the CIA and several Indian police agencies.