MSNBC Dateline Extra December 16, 2019 05:27:00
>> reporter: so it seemed that on the night he disappeared, gavin smith met chandrika creech for sex, or comfort, or just to talk. something. quite a lot to learn from those phone records. but there was more. a third phone. john creech's phone. in the same spot, on the same night. and this was eerie, creech's phone seemed to be moving in sync with gavin's. >> john creech's phone and gavin smith's phone paralleled each other. >> together together. >> together. sometimes hitting off the exact same towers or parallel towers. >> wow. what was that like? >> that was an eye-opening moment. >> report...