Debbie Collier death investigator: 'Once we get on track ... a curveball comes in out of nowhere'

Debbie Collier's daughter said she received a note from her mother that scared her around the time investigators say Collier was seen on security video. Subscribe to FOX 5 Atlanta!: https://bit.ly/3vpFpcm Watch FOX 5 Atlanta Live: https://www.fox5atlanta.com/live FOX 5 Atlanta delivers breaking news, live events, investigations, politics, entertainment, business news and local stories from metro Atlanta, north Georgia and across the nation. Watch more from FOX 5 Atlanta on YouTube: FOX 5 News: https://www.youtube.com/playlist?list=PLUgtVJuOxfqkmrF1fONNmi8nKI0Z-FPE- FOX 5 Atlanta I-Team: https://www.youtube.com/playlist?list=PLUgtVJuOxfqlb_I16wBwizoAoUsfKEeWB Good Day Atlanta: https://www.youtube.com/playlist?list=PLUgtVJuOxfqlKT5xsbsPFgr5EBzdsWTvG FOX 5 Extras: https://www.youtube.com/playlist?list=PLUgtVJuOxfqli-5MS_2X-i6bNGWvV0RYP You Decide: https://www.youtube.com/playlist?list=PLUgtVJuOxfqnCKb7UkRde2NXuaoPEAXut Download the FOX 5 Atlanta app: https://www.fox5atlanta.com/app Download the FOX 5 Storm Team app: https://www.fox5atlanta.com/storm Follow FOX 5 Atlanta on Facebook: https://facebook.com/fox5atlanta Follow FOX 5 Atlanta on Twitter: https://twitter.com/FOX5Atlanta Follow FOX 5 Atlanta on Instagram: https://www.instagram.com/fox5atlanta/ Subscribe to the Morning Brief and other newsletters from FOX 5 Atlanta: https://www.fox5atlanta.com/email