<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The FBI has issued new details of the suspect wanted over the kidnapping of Nancy Guthrie, the 84-year-old mother of US TV host Savannah Guthrie.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The law enforcement agency also says it is increasing its reward up to $US100,000 for information leading to finding Nancy Guthrie or an arrest and conviction of those involved in her disappearance.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The updated suspect description and details of a black backpack were released after forensic examination of doorbell CCTV footage showing a person at Guthrie's home in Tucson, Arizona, on the night of her disappearance.</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/national/liberal-party-leadership-spill-angus-taylor-defeats-sussan-ley/e02a6189-6fb5-4262-af53-7c5acea1c826" target="_blank"><strong><span>Angus Taylor emerges victorious from leadership spill, ousting Sussan Ley as opposition leader after just nine months</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"The suspect is described as a male, approximately 5'9" - 5'10" (about 1.7m) tall, with an average build. In the video, he is wearing a black, 25-litre 'Ozark Trail Hiker Pack' backpack," the FBI Phoenix office posted on social media.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"We hope this updated description will help concentrate the public tips we are receiving."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The FBI says the public has provided 13,000 tips since February 1.</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/world/nancy-guthrie-suspect-description-and-backpack/f5533911-7080-42fa-bd6a-e53ff3e4e504" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Earlier on Thursday (Friday AEDT) media focused on a  white tent erected by law enforcement agents at the home of Guthrie.</span></div></div><div class="tweet" data-tweet-id="2022084453699350981" data-user="9NewsAUS"></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The FBI says it was part of a testing procedure to create nighttime conditions similar to the time of day the 84-year-old went missing, a law enforcement source familiar told CNN.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Once FBI specialists set up the tent to create a blackout environment, replica clothing and a backpack similar to what the suspect was believed to be wearing were examined through the lens of what a doorbell camera might see at night, the source said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The source said examiners looked at the reflections of lighting against the items to ensure they were confident in their brand names.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><em><span>– with CNN</span></em></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><em><span>NEVER MISS A STORY:</span></em></strong><span> </span><em><span>Get your breaking news and exclusive stories first by following us across all platforms.</span></em></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><ul><li><strong><em><span>Download the 9NEWS App here via</span></em></strong><span> </span><a href="https://apps.apple.com/au/app/9news/id1010533727" target="_blank" title=""><strong><em><span>Apple</span></em></strong></a><span> </span><strong><em><span>and</span></em></strong><span> </span><a href="https://play.google.com/store/apps/details?id=nineNewsAlerts.nine.com&amp;hl=en_AU&amp;pli=1" target="_blank"><strong><em><span>Google Play</span></em></strong></a></li><li><strong><em><span>Make 9News your preferred source on Google by</span></em></strong><span> </span><a href="https://9.nine.com.au/8x987w" target="_blank"><strong><em><span>ticking this box here</span></em></strong></a></li><li><strong><em><span>Sign up to</span></em></strong><span> </span><a href="https://login.nine.com.au/edm?client_id=nineatnine" target="_blank"><strong><em><span>our breaking newsletter here</span></em></strong></a></li></ul></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span></span></div></div>