Please look at Brietta's post #68. The pictures show 2 entirely different cases (note the positions of the labels) and, to me, the lower picture shows a very dark navy case.
There were TWO cases taken from the villa to the gymnasium, as per page 2125 of the PJ files.
08 Processos Vol VIII Page 2125
TRANSLATED BY INES
VOLUME VIIIa_Processo_2125
From: Inspector Joao Carlos
TERMS OF DELIVERY
On 3rd August 2007 in Praia da Luz, Gerlad McCann, resident in Rua das Flores 27 appeared before me Joao Carlos and Inspector Freitas according to written dispatch?and delivered the following:
1. One soft toy, made of pink coloured material, make Cuddle Cut with a wooden rosary and a green ribbon.
2. Four boxes containing clothes, shoes, suitcases and travel bags.
3. Two suitcases containing clothes, shoes, suitcases and travel bags.
4. One Bible.
5. Two diaries.
6. One note pad.
7. One pair of rubber gloves.
The present Terms of Delivery were elaborated and will be signed.
Signed
Gerald McCann
And from the above, we can deduce that there must have been at least 4 suitcases inspected by the dogs - and none produced any odour for the dogs to react to or it would have been shown to the public.