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New Delhi: The Central Bureau of Investigation (CBI) investigating the month-old Noida double murders of Aarushi Talwar and her domestic help, conducted a third lie-detector test on the girl's mother Nupur Talwar.
A CBI official said Nupur could be arrested as her statements contradicted those of her husband Rajesh Talwar, who has been arrested for his alleged involvement in the May 15 double murders.
"We have conducted three lie-detector tests on Nupur Talwar since Friday. Two tests were conducted at the All India Institute of Medical Sciences [AIIMS] and one at the Central Forensic Science Laboratory [CFSL], Delhi," he said.
Earlier in the day, the investigating agency carried out a psychological analysis test on Rajesh Talwar in Dasna Jail in Ghaziabad.
During the test, a polygraph instrument collects physiological data of the human body, including sweat gland activity, blood pressure and heartbeat, as questions are put to the person.
"The test will also help in establishing the chain of events on the night of the incident, as to who was killed first," a CBI source said.
A close friend of Aarushi, wishing anonymity, said that she loved her father very much and was planning to present him a hand-made painting on Father's Day (June 15).
On Saturday, Rajesh Talwar's aide, Krishna was remanded in three days' CBI custody. He was arrested on Friday after a series of scientific tests, including narco analysis, was conducted on him in Bangalore, Karnataka.
Probe intensified
The CBI on Saturday cordoned off the Noida house of the Talwars and thoroughly checked the water tanks on the terrace and the water pipes for the missing murder weapon.
According to CBI sources, the agency received a tip-off about the murder weapon, believed to be a khukri, a curved short knife. The Noida police had earlier said the murders were committed with a surgical knife.
The CBI also visited the house of the Durranis, close friends of the Talwars, on Saturday and late on Friday night and interrogated them as well as their servant, Raj Kumar who was close to Hemraj, the murdered domestic help of the Talwars.
The CBI sources said Raj Kumar mentioned that three people were involved in the murders of Aarushi and Hemraj, the domestic help of the Talwars, with whom he was close.
CBI sources also revealed that an industrialist friend of the Talwars and the Durranis is to be put through a lie detector test. The industrialist, who works with Flex Industries, had lent his car to the Talwars in which they went to Haridwar to cremate Aarushi.
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