NYPD: Nanny stabs 2 children to death in Upper West Side home A New York City nanny is accused of killing two young children in her care. An Upper West Side nanny stabbed a 1-year-old boy and 6-year-old girl to death inside their apartment Thursday afternoon before cutting her own throat, police said. They've been identified as Lucia and Leo Krim. After police arrived, a neighbor said the mother remained in the building's lobby, screaming and clutching her surviving child. The children's father, Kevin Krim, an executive with CNBC, was on a business trip at the time of the tragedy. CNBC's parent company Comcast along with the business network and NBC Universal issued a statement Friday about the Krims' "unimaginable loss." It added, "The sadness that we all feel for Kevin, Marina and their family is without measure. Our thoughts, prayers and unwavering support are with them all.