Per Crystal:
GRACE: Ms. Sheffield, where were you at the time little Haleigh went missing?
SHEFFIELD: I was in Baker County, at my house.
GRACE: How did you learn she was gone?
SHEFFIELD: Ronald`s mother, Teresa Nieves (ph), called me at 3:49 AM in the morning and told me that Haleigh was gone.
GRACE: And what did you do?
SHEFFIELD: At first, I thought it was a prank, kind of. And then she was, like, The police are there, and I heard them in the background and then it hit me that it was not a prank.
GRACE: OK. Now, what time did you say they called you?
SHEFFIELD: It was 3:49 AM.
GRACE: And who called you?
SHEFFIELD: Teresa Nieves, Ronald`s mother.
http://transcripts.cnn.com/TRANSCRIPTS/0902/12/ng.01.html