Maria Pearson, 68, was jailed for life in 1987 after ambushing Janet Newton, who had become engaged to the killer's former 'husband' ...

Maria Pearson has spent almost four decades behind bars for the killing of a woman who had become engaged to her ex-partner ...

Maria Pearson was imprisoned in 1987, and now aged 68, has become the UK's longest-serving female inmate, surpassing Myra ...

Maria Pearson, who overtook The Moors murderer Myra Hindley as Britain's longest-serving woman prisoner, has made a new bid ...