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 park at least nine times alone before that trip. they started to believe he was on a scouting mission for the perfect lonely location. lured toni to this dangerous ledge, then a deadly push. if that sounded chilling, there was something else to consider. after toni died, within literally hours law enforcement got tips saying, you have to look into the first wife. reporter: yes, the first wife.
up next, new developments in the latest deadly new york city subway accident. police are talking to a woman who may be behind the deadly push. up next, though, getting guns in the hands of teachers. we ll talk to one gun rights advocate who is making it a reality right now. you are watching msnbc, the place for politics. one phillips colon health probiotic cap each day helps defend against these digestive issues with three strains of good bacteria. approved! [ phillips lady ] live the regular life. phillips .