Mystery surrounds the disappearance of Nancy Guthrie, the mother of US TV host Savannah Guthrie. The 84-year-old went missing from her home in Arizona under suspicious circumstances, investigators said they had found signs of forced entry and believe she was taken against her will. In a case that has more questions than answers - Sky's Martha Kelner explains all we know so far. Read more: https://news.sky.com/story/nancy-guthrie-what-we-know-about-mysterious-disappearance-of-tv-hosts-mother-13503569 #skynews #usnews #unitedstates #crime 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 Follow us on TikTok: https://www.tiktok.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 Daily podcast is available for free here: https://podfollow.com/skynewsdaily/ To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales