Yoselyn Ortega, 55, is charged with murdering 6-year-old Lucia Krim and 2-year-old Leo Krim in their home in 2012.
Opening statements in her trial will begin March 1st.
Prosecutors are hoping to prove Ortega was coherent and made a conscious decision to kill the children.
Her attorney is expected to use an insanity defense.
Ortega faces a possible sentence of life behind bars. She is currently being held without bail.
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