If twins were killed first, then first 8 rounds were expended, leaving only two or three other rounds available for immediate use thereafter, providing (a) the ammunition magazine was full, at the outset without an additional round already in the breech, or (b) the ammunition magazine was full, with an additional round in the breech...
I take the view, having had the benefit of reading all of Jeremy's witness statements, and interview notes, and having regard to what police at the scene say Jeremy told them about how he loaded the rifle, and disengaged the ammunition magazine, and removal of the bullet in the breech, as well as having had the benefit of personally discussing this issue with Jeremy on multiple occasions face to face, questioned him through the format of letter writing, and spoken conversation during telephone calls, that there was 7 rounds inside the ammunition magazine when Jeremy disengaged it, plus the round he took from the breech and added to the magazine. He then placed the rifle, together with its disengaged magazine on a wooden settle next to the kitchen door in the back hallway...
I am satisfied that the person responsible for using the rifle with the reattached ammunition magazine fired those 8 rounds in one sequence...
I know with 100% certainty, that Jeremy Bamber was not present inside the farmhouse when any of the shootings began, were being undertaken, or concluded. I am also sure, that nobody reloaded that rifle with any further bullets. I believe that Sheila had an accomplice, or as many as two accomplice's, who helped her dispose of her parents and her two children. I also know that when police entered the farmhouse, that Sheila was still very much alive..