Foreign help: CBI having 2nd thoughts in Aarushi case?
New Delhi: The CBI seems to be having second
thoughts about seeking foreign help in the probe into the
murder of Aarushi Talwar, which has left the investigating
agency clueless for the last two years.
The CBI had a month ago approached the Canadian Forensic
Laboratory -- one of the two labs in the world which has a
specialisation in using modern methods such as `touch DNA` --
but since then there was no word from the agency in this
The CBI is maintaining a silence officially in the case
but sources privy to the probe said the agency had contacted
the laboratory in Canada in early June. That was the last
communication the CBI had with the laboratory till date and no
further action has been taken yet.
Two laboratories -- located in the UK and Canada --
specialise in extracting crucial forensic evidence from the
samples collected from the scene of the crime using a unique
technique known `touch DNA` that has been helpful in solving
The sources said the earlier decision of contacting the
foreign laboratory was taken after some of the samples that
were collected from Aarushi`s house -- the bedsheet, blood,
fingerprints, bottles and her vaginal swab -- were declared
to be highly contaminated by a forensic laboratory here.
"As such no forensic evidence could be extracted by which
we could zero in on or rule out those suspected in this murder
case," a source said.
When any individual touches an object he leaves behind a
print that is basically made up of oil and dirt deposited on
his fingers. Everything that is touched picks up a bit of oil
and dirt which are left as fingerprint on the object.
Body cells become part of the fingerprint and these are
the source of the DNA. A single cell can provide enough DNA
for analysis. If the murderer has touched anything in the
house, his DNA profile can be prepared even if he has used
gloves because skin cells keep on drying and falling from the
body, the sources pointed out.
Aarushi, 14-year-old daughter of a dentist couple Rajesh
and Nupur Talwar, was found dead with her throat slit in her
parents` home at Jalvayu Vihar in Noida on May 16, 2008. Her
domestic help Hemraj was also found dead later. So far, the
police and later the CBI have failed to identify the killer
and solve the double murder mystery.
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