14:35 EDT, 29 April 2021 The ex-girlfriend of Babes in the Wood killer Russell Bishop has said she had 'no choice' but to lie about the murders out of fear of the notorious schoolgirl killer, a court has heard. Jennifer Johnson, now 55, has denied perjury and perverting the course of justice in relation to Bishop's trial in 1987. Johnson claimed she was acting under duress while giving evidence at the trial more than 30 years ago. Jennifer Johnson, 55, (left) was accused of telling 'lies that were important' in the tragic case, including about a crucial piece of evidence - a sweatshirt found near the scene. Her ex-boyfriend Russell Bishop (right) was first tried for the brutal murders of schoolgirls Karen Hadaway and Nicola Fellows in 1987 but was acquitted