The dogs were trained to respond to a specific range of compounds.
They indicated in several locations.
The clear metaphorical blindness is shared by you and others.
That is why you continue to cut and paste articles again and again.
I cut and paste different articles to substantiate my posts by providing a cite ... I thoroughly recommend it to you.
It may be worth noting that on the few occasions I do not post a cite ... I am invariably asked to provide one.
You claim to be a scientist and an educationalist which makes it all the more surprising that you display such resistance to accepting the pace of scientific research leading to advancements in our knowledge of precisely what compounds of decay Victim Recovery Dogs may be reacting to.
Mr Grime knew the legal situation regarding the need to establish corroboration of Eddie's alerts; he took pains to lay them out precisely in his statements which are recorded in the files.
I would have assumed that one of a scientific bent like yourself, particularly a chemist, might have taken that in conjunction with scientific studies and worked things out for yourself as to the irrelevance of Eddie's alerts.