sawdust there is no such defence in the first place.
Tell that to:
two juries who acquitted
If two juries acquitted it would not have been because the victim had consented. There is no such defence. This was firmly decided in the Spanner case in the House of Lords (this court was later renamed the Supreme Court, but it remains the same thing).
It seems to me that what these trials centre on, is whether the defendant having killed someone intended to so kill / or intended to cause grievous bodily harm (and it was then this injury that caused the death).
If either of these two facts are found, then the defendant is guilty of murder. If there was no such intention found by the jury, then its manslaughter.
Harman’s amendments will not effect such trails one iota.
The Natalie Connolly case was slightly different. There, the prosecution decided that it didn’t have the evidence that the defendant had killed her – so it was neither murder nor straight manslaughter, but it was decided he ought to have realised that she was dying, due to the state she was in through alcohol, drugs and the injuries he had caused (these injuries not being the cause of death) but which meant that he had a duty to then help and call for medical assistance. With that duty on him, his failure to help meant he was guilty of manslaughter through gross negligence.
several judges who considered the sexual violence surrounding women's deaths to be mitigating circumstances instead of aggravating circumstances when sentencing
Yes, and by that point the verdict was in and the Judge had moved on to the sentence.
the families who saw their daughters' killers prosecuted for manslaughter instead of murder
Killers fall into two categories – as above - those guilty of murder and those guilty of manslaughter. Everyone gets a fair trial to decide which.