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CBI sleuths took Nupur Talwar to the All India Institute of Medical Sciences (AIIMS) on Tuesday morning where experts from the Department of Forensic Medicine took blood samples.
According to sources, the blood samples have been sent to the Forensic Sciences Laboratory in Hyderabad for further testing. “As per our information, the sample has been taken for blood group testing,” a source said.
A senior forensic expert said blood grouping is conducted to match with traces of blood found at a crime spot. The decision to send the dentist’s blood samples to FSL-Hyderabad was taken after the investigators recovered a bloodstained T-shirt from Durani household help Rajkumar’s room.
This, though, is not the first time that the CBI has turned to AIIMS for expert opinion in the Arushi-Hemraj murder case. The forensic team from AIIMS, headed by Dr T D Dogra, has visited the Talwar residence several times in search of clues. The team also re-accessed the postmortem report; the experts are of the opinion that the police did not investigate certain biological evidence.
The probe agency also carried out psychoanalysis of Aarushi’s parents Dr Rajesh and Dr Nupur Talwar and their compounder Krishna at AIIMS. Rajkumar’s T-shirt with bloodstains has already been sent to the Centre for Finger Printing DNA and Diagnostics, Hyderabad, after it was recovered late last month.
It has already been confirmed that bloodstains on the T-shirt were not Rajkumar’s. The Hyderabad laboratory is conducting advanced forensic examination to ascertain who the blood belongs to, CBI sources said.
Arushi, a Class IX student of DPS-Noida, was found dead in her Sector-25 Noida home on May 16. The police had initially suspected the Talwars’ domestic help, Hemraj, and sent teams to trace him. But their theories fell flat the following day when the help, too, was found murdered on the terrace — in a similar fashion, with the throat slit with a “sharp weapon”. The Noida police had arrested Rajesh Talwar on May 23 and said he had killed his daughter in a fit of rage.
After the Noida police drew a blank for a fortnight, and faced flak for shoddy handling of the investigation, the CBI took over the case on June 1 and soon shifted attention to compounder Krishna and Duranis’ help Rajkumar. The agency, too, has been unable to throw much light with its probe for over a month.
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