A garbled phone call to Effingham County 911 about 3 a.m. a decade ago ... including a two-hour show on "Dateline NBC" and "48 Hours Mystery" on CBS. Craig Heidt has always said he was innocent ...

Dateline will tell the story, titled, "The Mystery in Effingham County," mainly through the eyes of those involved in the case, whether through trial testimony or on-camera interviews, Karlson said.

Get news and updates about your favorite shows, plus 3 free credits to watch locked content.

As expected by authorities, autopsies have confirmed the identities of two children found buried in their family’s backyard in Effingham County, though many questions remain about the deaths ...