Raymond Tierney talks about the case that has shaken a Long Island community. SUBSCRIBE to GMA's YouTube page: bit.ly/2Zq0dU5 VISIT GMA's homepage: goodmorningamerica.com SIGN UP to get the daily GMA Wake-Up Newsletter: gma.abc/2Vzcd5j FOLLOW GMA: TikTok: tiktok.com/@gma Facebook: facebook.com/GoodMorningAmerica Twitter: twitter.com/gma Instagram: instagram.com/GoodMorningAmerica #tierney #gilgobeach #coldcase #gma