i m nathan s mom. reporter: a month of unspeakables came for families and friend of the victims attempting to seek closure with kimmers still on the loose. make sure you spend as much time as possible with those people because time is precious and it s something you can t get back. reporter: frustrations with the pace of the investigation growing by the day. it will be a cold case if we don t do something within the next week or two. reporter: but police say they have information to work with, and new leads every day. we want more than just an arrest. we want a conviction. nbc s erin mclaughlin reporting there. just a nightmare of a month for those families, and still no real leads in the case. jonathan lemire, as we go to break here, we just got some sad breaking news that mike leach, the head football coach at mississippi state university, one of the great characters in college football, has died at the age of 61. he was admitted to a hospital on sunday with a massive h