jeremy luberts: i asked him, i said, why didn't you call law enforcement? tells me, i didn't want to bother you guys on thanksgiving day. kate snow: that struck the sheriff as extremely odd. nobody worries about wrecking our thanksgiving. they don't worry about wrecking our day. kate snow: so the intruders had been dead for 24 hours when byron called a neighbor for help and asked him to call the sheriff's office. when you found out that byron smith had waited 24 hours. my mind was then, why? if he was so scared, wouldn't you be on the phone? i mean, because those kids had families, too, that were waiting. and then for him to say he didn't want to bother anybody on thanksgiving-- yeah. --really? it became clearer and clearer and clearer that there were some things that were strange about this case. kate snow: investigators were about to learn a lot more about that shooting in the house on elm street. and what happened next would tear this town apart. craig melvin: coming up. byron smith's story-- was it all adding up? when dateline continues. when you live w