I seem to remember Fred West had brain trauma due to a motorcycle accident.
It could be a factor in these cases, but it is just as likely to be caused by childhood experiences such as her being the subject of difficulties at birth.
Whilst no-one will ever truly know unless she admits guilt and opens up, there have been two things covered during this case that might have contributed.
Firstly, she herself was cared for in hospital after difficulties during birth. Secondly, there is evidence of her having a relationship with...