Keela goes in first to rule out blood on clothing. So if Eddie alerts next it's not for blood. Elementary.
Put like that seems it could work the other way seeing as keela was concentrating on specific items and not a whole apartment?
What about this? Does this mean keela is sent in anyway despite an initial sweep by the cadaver dogs?
Ie gym was not a crime scene, or am I getting it all confused?
Fact is Grime can explain all this, I wonder if he will ever get the chance to
http://www.mccannfiles.com/id157.html3rd entry on the page
When faced with a "clean" crime scene, Mr Ellis and PC Martin Grimes, Keela's other handler, will first send in Frankie, a border collie, and Eddie, another springer spaniel, to pick up any general scent. Then they wheel in the big gun.
"We take Keela in and she will find the minutest traces of blood," Mr Ellis said. "It's not like looking for a needle in a haystack any more. The other two dogs will find the haystack and Keela will find the needle."