Ortega had been working for the family for almost two years when she brought the two siblings to the back bathroom of their Upper West Side apartment and stabbed them to death.
"The defendant set out to destroy what Kevin and I created and built: an inspired, happy, thriving family", Marina Krim said.
"I'm very sorry for everything that happened but I hope that no one goes through what I have gone through", she said through a translator just before being sentenced.
Both Marina and Kevin Krim each read their own victim impact statements in court, recounting memories of their children taken from them.
When Marina opened the bathroom door, Ortega, who had slit her wrists earlier, stuck a knife into her own throat. "We called them Team Krim", Kevin said. The children were later found in the bathtub when their mother returned home to the bloody apartment.
"Nessie will never know what her sister and brother are like".
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"But your failure to seek, all these years, treatment for your mental illness nullifies that mitigation", Justice Gregory Carro told Ortega just before announcing her sentence. "Why hasn't she shed a tear now?"
The anxious mother arrived to every parent's worst nightmare - the gruesome sight of her dead children in a bathtub, blood everywhere, and a kitchen knife dumped in the sink.
Medical experts testified that Lucia fought bravely and sustained more than 30 nicks, slices and stabs from Ortega.
Kevin and Marina Krim brought many in the packed courtroom to tears as they talked about their horrific ordeal and how they survived it.
Jurors gasped in horror as graphic images of the crime scene were shown in court.
The children's parents, Kevin Krim, 42, and Marina Krim, issued statements thanking the judge and jurors and the district attorney's office. You're evil! And you like this, you like this, you're getting pleasure.
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"We miss hearing them call out my name and run to hug me when I got home from work". Please, get me out of here.
"Five years ago Yoselyn Ortega stole Leo and Lulu Krim from their parents, their siblings, and our Manhattan community", he said.
Ortega had pleaded insanity however, the jury refused her citizenship. "It's the worst thing imaginable". He said he kept asking "What's going on?" and then saw he had a voicemail from his wife.
Her lawyer said she suffers from psychosis, depression and heard voices telling her to kill the children.
She claimed she did not remember the attack and was possessed by the devil, but a psychologist told jurors she was depressed, but not mentally ill - and had not mentioned hallucinations at the time.
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