Did Eddie attempt to get into the cupboard where CC was situated when barking with his head in the air?
Keela was not given the opportunity to examine the area under the bed.
The detailed remarks about testing of the car key card at:
http://www.mccannpjfiles.co.uk/PJ/DOGS_INSPECTION.htmappear to show that Eddie and Keela will react to the same stimulus i.e. dried blood. It would seem logical that the blood could be from a living person or a dead person, and Mr Grimes appears to confirm this.
This appears to indicate the 'dog alerts' do not need a significant period of time for the 'scent of death' to develop!
It would appear that if blood was present from a dead person, and the dead person was removed fairly quickly, then as long as sufficient blood had time to dry in situ both dogs could 'alert' (to the blood).
This means there does not have to be any delay (1hr to 1.5hr) for cadavarine, etc, to develop and be detected.
It would also mean there is no proof anyone died, but equally if someone did die, then swift removal of the body could still have led to both the dog alerts, providing any blood present dried in situ before being cleaned up.
Alternatively, if a body was moved from A to B and bled, then moved from B to C both dogs could still 'alert' if the blood dried in situ.
Corrections welcome.
Once again this does not indicate any particular theory is more likely than any other theory