Statistics show that of those who find themselves in the crown court, just over a quarter are women.But despite appearing less regularly than men in the courts, women have been responsible for some of the most horrific attacks our courts have seen recently.Some crimes were committed in a domestic setting, others were more spontaneous - but all involved knives and gratuitous violence.Here are some of the most disturbing cases, involving violent women defendants, that our reporters have covered this year.Dubbed the 'Black Widow', Kathleen Webber was said to pose a risk to anyone she formed 'intimate relationships with'.Webber, 58, stabbed her husband Keith Dean after a row about the TV.Webber had previously been married - twice - to his.
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