callam dunne has brought me to the park that he and the other chaperones patrol after school.e ark boulton academy. when bad things happen, it's not often in the eyesight of the public so that's why green areas and big parks like this are often places where a lot of things will happen out of eyesight. callam says that because they spend so much time with the children, they get a sixth sense if something is wrong and can immediately detect if there is likely to be trouble. if it is a success, it is hoped these chaperones could become a more common sight elsewhere in england and wales. phil mackie, bbc news, birmingham. a legal document which the duke of york's lawyer believes will stop the civil case against him in the us is expected to be made public today. prince andrew's lawyers say a settlement made in 2009 between virginia giuffre and sex offenderjeffrey epstein will release him from liability in the case brought by ms giuffre, who accuses him of sexual assault when she was 17. he has consistently denied the claims. our legal correspondent dominic casciani is here. what do