Grime himself acknowledges that handler-bias can influence a dog's reactions, and I know Alfred has found a study (nothing to do with Grime) where precisely that phenomenon accounted for all a dog's reactions.
Handler-bias: the findMadeleine stickers on the back of the Renault Scenic.
The disproportionate time spent in apartment 5a compared with any other apartment.
The re-examination of clothing (in the gym) present during the inspection in the villa, but not evincing any interest from Eddie.
The interest in the toy, only after it had been hidden, not while he could see it, sniff it and play with it.
Thomas Quick: the Swedish serial killer who never wasIt reads like a real-life Scandinavian crime novel. In the 1990s, Thomas Quick confessed to more than 30 murders, making him Sweden's most notorious serial killer. Then, he changed his name and revealed his confessions were all faked
**Snip
Even the same sniffer dog, Zampo, was used to trawl each "murder" site.
"During the course of the investigation, Quick mentioned at least 24 different places in Sweden and Norway where he had committed murders, handled dead bodies or left body parts," says Leyla Belle Drake, who was Hannes RĂ¥stam's literary agent. "Zampo marked for human remains 45 times at those 24 locations. ..."
http://www.theguardian.com/world/2012/oct/20/thomas-quick-bergwall-sweden-murder