Mo Lea was attacked by Peter Sutcliffe 40 years ago but her account was ignored by police at the time.
She tells Mark Austin how Sutcliffe chased her through a park when she was 21 years old before attacking her with a hammer.
SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews
Follow us on Twitter: https://twitter.com/skynews and https://twitter.com/skynewsbreak
Like us on Facebook: https://www.facebook.com/skynews
For more content go to http://news.sky.com and download our apps:
iPad https://itunes.apple.com/gb/app/Sky-News-for-iPad/id422583124
iPhone https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8
Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB