Authorities in Royal Palm Beach say 55-year-old Timothy J. Wall fatally shot a woman and her 1-year-old grandson before turning the gun on himself inside a Publix on Thursday. 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 WATCH full episodes: abc.go.com/shows/good-morning-america hulu.tv/2YnifTH #Publix #Shooting #RoyalPalmBeach #Florida #GMA