Talwars produce DNA expert to question CBI claim | delhi | Hindustan Times
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Talwars produce DNA expert to question CBI claim

delhi Updated: Sep 17, 2013 03:06 IST
HT Correspondent
HT Correspondent
Hindustan Times
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Appearing as a defence witness in the Aarushi-Hemraj double-murder case, last of the defence witness and London-based DNA expert Andrei Semikhodskii on Monday questioned prosecution witness BK Mahapatra’s findings in the case.

A senior scientist from the Central Forensic Science Laboratory, New Delhi, Mahapatra had previously deposed before the court to submit his DNA findings.

Semikhodskii, who was given a last chance to appear before the court, was specially called by the Talwars to depose as a defense witness.

He was asked to give his opinion on DNA traces found on various exhibits such as a blood-stained palm print found on the terrace of Talwars’ residence, a Ballentine Scotch bottle, an empty glass bottle and a multi-coloured pillow cover.

The witness demanded the laboratory records and raw data used by the CFSL expert to arrive at conclusions related to various samples.

“Since the complete raw data have not been supplied to me, I am not in a position to concur or disagree with the report given by BK Mahapatra. Even without raw data, I disagree with Mahapatra’s report on two points,” Semikhodskii said.

“Dr Mahapatra has not calculated the random match probability that does not allow the court to form an opinion on the strength of the DNA evidence. Secondly, Dr Mahapatra has deposed that he does not interpret a mixed profile and therefore his capability is questioned and his statement may lead to miscarriage of justice,” Semikhodskii added.

The witness submitted a report of his findings on the DNA samples. On the blood-stained palm print, the witness said it was possible that it could have been left by any other individual and he need raw data to arrive at a conclusion.

The court will hear the matter on Tuesday when the CBI counsels are likely to cross-question Semikhodskii.