MSNBC Dateline December 2, 2019 06:52:00
>> reporter: perhaps most suspicious of all, a clue from harold's cell phone records that he may have been on that mountain before. in the weeks just prior to toni's death, pings from harold's phone show him traveling north toward rocky mountain national park many times, something he never told investigators. harold said that he and toni came to this really hard-to-get-to spot for the views and they are remarkable. but they're not that much better than the views where they ate lunch, just up the hill from here. after the fbi found out that harold henthorn had to come to rocky mountain national...