‘It gets harder day by day’: Boyfriend of missing Iowa student speaks out

As communities continue the desperate search for missing University of Iowa student Mollie Tibbetts, the 20-year-old’s boyfriend, Dalton Jack, is speaking out about her mysterious disappearance. Investigators do not consider Jack a possible suspect. NBC News confirmed police responded to a possible sighting of Tibbetts at a truck stop in western Missouri late last week. It’s unclear if their investigation has resulted in any leads. NBC’s Blake McCoy reports for TODAY.