Accused killer half strangled his mum

An ex-soldier accused of murdering his Britain’s Got Talent star girlfriend once throttled his mum until she passed out saying: ‘Mother you’re dead’, a court heard. Desmond Sylva, 41, stabbed nurse Simonne Kerr more than 70 times in the side of her face and neck after she went to see him at his flat in Clapham, south London, last August 15. The 31-year-old ‘did not stand a chance’ in the attack, the Old Bailey heard. Sylva told officers after calling…