When a Stranger Calls Trailer (2006)

A hundred miles away from the scene of a grizzly murder in small town America, Jill Johnson (Camilla Belle) settles in for a routine night of babysitting. With the children sound asleep and a beautiful home to explore, she locks the door and sets the alarm. But when a series of eerie phone calls from a STRANGER insists that she 'check the children,' Jill panics. Fear escalates to terror when she has the calls traced. And what the police find turns the perfect babysitting job into a 16-year-old's worst nightmare...