NEW YORK (AP) — The Manhattan apartment was eerily quiet for a home with three little kids. The only light glowed from a bathroom. That's where Marina Krim found her two children — covered in blood, slaughtered by the family's trusted nanny.

"It's like a horror movie," she said Thursday, testifying in the murder trial of the caretaker, Yoselyn Ortega. "I go down, I walk down the hall and I see the light on under the back of the door, and I'm like, 'Oh God it's so quiet in here, oh God. Why is it so ... quiet?'"

"And I open the door ... And I open the door, oh God!" she wept.

Krim was the first...