Jona Laks was saved only because her elder sister shouted out that she should not be separated from her twin and word reached the infamous Nazi "Angel of Death" at the camp, Josef Mengele, who used part of Birkenau for often deadly medical experiments on twins.

Det Ch Supt Nigel Wenham, of Cheshire Police, told the inquiry that the term "angel of death" was used at the meeting to describe Letby.

And there it was on her LinkedIn: Emily White, physical media’s angel of death, had started working at Spotify in 2016.

At a recent performance, the message seemed like a follow-up to the first act, a way to explain the presence of a wolflike dog that stalked Sigmund and Sieglinde like an angel of death.

“In one moment the celebratory atmosphere was shattered. The Angel of Death swooped down.”