A woman who murdered her two eldest children and plotted to kill the other four was seen by professionals as "a loving, caring and competent mother", a serious case review (SCR) has found.
Incestuous couple Sarah Barrass, 35, and her half-brother Brandon Machin, 39, were jailed for life last year with a minimum term of 35 years for the murder of 13-year-old Tristan Barrass and his 14-year-old brother Blake, at their home in the Shiregreen area of Sheffield.
On Friday, an SCR found that none of the practitioners or agencies who had contact with Barrass and her children could have predicted what happened.
The report, published on Friday, concluded: "The deaths of these two children is a tragedy and there is no evidence from this review
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