and this is dateline. this doesn t happen in our happy little world. their world shattered, a young mother strangled. we had a homicide and no lso no evidence. but police found a dark side behind that bright suburban facade. she slept with the children and the door locked. and finally a vital clue. what happened to nancy the day she disappeared? welcome to dateline. a young mother disappeared one her husband said she went for a run and never came home. the puzzling case happened in a safe, suburban neighborhood where crime is unexpected. but sometimes there are secrets hidden behind closed. nothing about that morning made any sense. it seems like such a bad nightmare. this doesn t happen our happy little world. it was a saturday morning in july 2008. the happy total world of sweet and leafy suburb of raleigh north carolina, called carry. the sort of place a young family would aspire to. if you are someone like hannah pritchard, for example. there s always l