The following video is brought to you courtesy of the Sky News YouTube Channel. Click the video below to watch it now.
The serial killer is serving a whole-life sentence for the murders of four young men in Barking, east London, between June 2014 and September 2015.
SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews
Follow us on Twitter: https://twitter.com/skynews
Like us on Facebook: https://www.facebook.com/skynews
Follow us on Instagram: https://www.instagram.com/skynews
For more content go to http://news.sky.com and download our apps: Apple: 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
Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/skynewsespanol
To enquire about licensing Sky News content, contact firstname.lastname@example.org”