Domestic abuse victim was ‘let down by police’ before ex murdered her

A woman who was stabbed to death by her jealous ex-lover was let down by ‘persistent and systematic failures’ from agencies involved in her case, an inquest heard. Kevin O’Regan, 39, repeatedly knifed Donna Williamson, 44, at her south London home on the night of 12 August 2016 after becoming convinced she was seeing other men. Police had been called to Ms Williamson’s address at least 12 times, including twice in one day, but failed to properly assess the high…