WPC Jeapes went to a position where she could see the front door of the farmhouse, and could only have been at the position shown in the aforementioned attached diagram - this means that when she relieved PC Alexandra-Smart, PC Collins and PC Delgado, that they must have been at that side of the farmhouse, and that these three officers who were members of the raid team set off to go to the farmhouse from that vantage point. If they set off to go to the back door of the farmhouse, they would have to first of all pass the main kitchen window, then arrive at the door in question...
Other evidence suggests that PC Collins and PC Delgado went passed the door to the window beyond the door and that PC Collins peered in through the window and reported seeing the body of a female...
Now...
The window which Collins appears to have peered into, could not have been the same kitchen that the body of Ralph Bamber was eventually found in, because Collins and the others would have looked into that window on their way to the door, but there is no evidence that they did, or if any of them did, that any of them saw anything through that window?
Here are the relevant extracts from WPC Julia Jeapes non disclosed witness statement for consideration:-