The caller said she resembled the woman in the video.
"The defendant is accused of committing what is every subway commuter's worst nightmare-being suddenly and senselessly pushed into the path of an oncoming train," said Brown, the district attorney.
"The victim was allegedly shoved from behind and had no chance to defend himself. Beyond that, the hateful remarks allegedly made by the defendant and which precipitated the defendant's actions can never be tolerated by a civilized society."
Menendez is expected to be arraigned by Sunday morning. If convicted, she faces a maximum penalty of life in prison. By charging her with murder as a hate crime, the possible minimum sentence she faced would be extended to 20 years from 15 years, according to prosecutors.