Was it not evidence enough that PC Myall,Serg.Bews along with Jeremy,,all dived behind a shrub/bush/hedge when this " trick of the light " appeared ? If it appeared like an apparition,,then it WAS unmistakeably a figure.
Then if that wasn't enough,the two bodies which had been logged as having been seen in the kitchen,eventually morphed into one. Police need to visit Spec-Savers. Then,again,they only see what they want to see,don't they ?
Back to the figure in the window. No evidence had been produced to prove this sighting,,even though it had been entered in their pocketbooks,so that was something else which was kept from the defence. The sighting had been dismissed by Bews,as just a reflection. Myall was not requested to give evidence,,even though it was him who saw it first and had a proper look.
Bews still scarpered though ! Big girls blouse.
So can we conclude that it was the dog,Crispy,leaping about with excitement !!!