The AJC locates the long‑hidden remains of the Guidestones. The culture war around the monument erupts, and the team identifies people the GBI should have talked to. The question now is whether they ever did?   If you like this series, you’re only scratching the surface. Go to ajc.com, become a subscriber, and find out for yourself.  Learn more about your ad choices. Visit megaphone.fm/adchoices