By Kelly-Ann Mills A man has pleaded guilty to murdering his partner who died 13 years after being seriously assaulted with a hammer. Carolyn Kemp, then aged 34, was left with a permanent brain injury after being attacked by Trevor Baker in Romford, Essex in November 2009. In 2010, Baker, 53, admitted attempted murder and was handed an indeterminate sentence with a minimum term of eight years. Ms Kemp died in September 2022, it was alleged as a result of the injury she suffered at Baker’s hands. Last December 5, the defendant was charged with her murder. Today, Baker appeared at the Old Bailey…