MSNBC Dateline December 13, 2021 07:46:00
For investigators, centering around doug stewart and some mystery man in virginia. >> these points all represent cellphone towers. >> reporter: back in michigan, detective criger was checking doug's cell phone records, hoping to come up with some answers. >> reporter: what jumped out at you? anything obvious? >> the biggest part was three or four days just prior to venus' disappearance, there were numerous calls, between 7 and 15 calls per day to and from doug, from one particular number. >> reporter: a constant phone-mate but the detectives also noticed a gap. the day before venus went missin...