Police officials now believe that Yoselyn Ortega, the nanny accused of stabbing and killing two children in their Upper West Side apartment, started to stab herself in a suicide attempt just as the children's mother, Marina Krim, entered the bathroom where the two children and Ortega were found.  

Previously it was reported that Krim walked into the bathroom of her New York City apartment and saw her daughter, Lucia, 6, and her son, Leo, 2, dead in a pool of blood in the bathtub, and Ortega on the floor near them with slashed wrists and a stabbed throat in an attempt to kill herself. 

However, police said on Oct. 26 a different story.

"We believe now that the nanny began to stab herself as the woman entered the room," Police Commissioner Ray Kelly told reporters in a new account of Thursday's incident. "We initially thought that had already been done but now information is coming out that she did it as the mother entered the bathroom."

The two children were pronounced dead and Ortega is currently being hospitalized at New York-Presbyterian Hospital/Weill Cornell Medical Center. At the time of publication, she had not been charged, though police officials state that there is little doubt that she stabbed and killed the two children she was a nanny to. Ortega is conscious and able to communicate and New York Daily News reported on Tuesday that according to a source, she may be arraigned from her hospital bed as early as Wednesday. 

Krim was out with her third child at the time of the incident on Thursday. Her husband, Kevin, was away on business in California and upon his arrival back home, he was greeted by police who told him the news about his children. Kevin is also CNBC's general manager of digital content. 

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