What is the value of scientific tests such as narco-analysis and brain-mapping to an investigating agency when the Supreme Court has said (in 2010) that such tests cannot be admitted in evidence? Two trials proceeding simultaneously in a fast track CBI court in Ghaziabad provide an answer: when the state is prosecuting someone, and scientific tests implicate him, the tests, and the testimony of scientists who conducted them become valid. If, however, the tests point to the innocence of the accused, everything possible is done to prevent anything to do with the tests from entering the record. The Talwars had prayed to the court last week that Dr Vaya testify as a defence witness. Her test reports clearly suggested their innocence. Read more at: http://www.sify.com/news/aarushi-trial-exposing-cbi-s-double-standards-news-columns-ngsxDQfdbga.html