Most of us lock our doors to keep out intruders, but unfortunately, there are other insidious ways they can get inside our homes.
Just ask Heather and Adam Schreck. Like many other parents, they keep a baby monitor in their 10-month-old daughter's room to make sure she's safe. However, I'm sure they questioned even having one after what happened one night.
Heather quickly became terrified around midnight after she heard what sounded like a man shouting inside little Emma's room.