EXPERTS say sniffer
dogs can play a vital role in fighting crime ' but
warn it is 'madness' to rely on their findings.
The animals are
used to lead police to evidence, but do not provide
One expert told
The Sun: 'The dogs can identify traces of blood, but
it's crazy to draw major conclusions just from what
'Any evidence they
find should be used as a starting point. It's
madness just to rely on the findings of the sniffer
Grimes, who worked with his dogs on the Maddie case,
admitted the animals offered no more than 'a guide'.
He said: 'They can
identify traces of blood and detect the smell of a
decomposing body, but that is as far as they go.'
Martin said his
dogs Keela and Eddie would only give him an
indication when they find what they are trained to
He said: 'Blood
could be invisible to the naked eye, but Keela will
detect it. It doesn't matter if it's hundreds of
'Eddie smells for
the scent of a decomposing human body. He can detect
any part of a human body that is decomposing ' hair,
bones, flesh, anything.
'The smell of a
decomposing body is very difficult to get rid of. It
can easily be transferred to clothing and on to a
A spokesman for
the McCanns said: 'Dog alerts can be unreliable. The
handler himself makes it clear in the police report
that such alerts are meaningless without
corroborative evidence. There was no such evidence.
'Gerry and Kate
are not interested in dwelling on mistakes that were
made. They and their investigation team wish to
focus entirely on finding Maddie.'