Mother testifies about horror of finding kids slain by nanny

FILE - In this Oct. 27, 2012, file photo, photographs of 6-year-old Lucia Krim and her 2-year-old brother, Leo, are displayed alongside balloons and stuffed animals at a memorial outside the apartment building where they lived in New York. Opening arguments begin Thursday, March 1, 2018, for Yoselyn Ortega, the family's nanny charged with murder in the Oct. 25, 2012, deaths of the siblings. (AP Photo/Mary Altaffer, File)

NEW YORK — 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.