The First 48

The Last Yard/Root of All Evil (7x10)

Air date: Jul 29, 2008

A home invasion has turned deadly, investigators are called to the scene of a young man found dead. With their eyes on a suspect they have to wonder if this killer is just a suburban mom or if she is a cold blooded killer. A hard working and loved grandfather is stabbed and left for dead. The detectives interview friends and family. Could this killer be closer than she appears?