Investigators believe that Anthony Warner, 63, may have been partially motivated by paranoia over 5G cellular technology. LEARN MORE: 'Nothing about' Nashville explosion suspect 'raised any red flags': Neighbor: https://abcn.ws/2L4Q49P Subscribe to GMA's YouTube page: https://bit.ly/2Zq0dU5 Visit GMA's homepage: https://www.goodmorningamerica.com Follow GMA: TikTok: tiktok.com/@gma Facebook:facebook.com/GoodMorningAmerica Twitter: twitter.com/gma Instagram: instagram.com/goodmorningamerica #GMA #Nashville #NashvilleBombing #AnthonyWarner