According to the New York Times, the suspect in the subway pushing murder has been charged with murder as a hate crime:
Breaking News: Bronx Woman Charged With Murder as a Hate Crime in Subway Attack
— The New York Times (@nytimes) December 29, 2012
Not a lot is known beyond this at the moment.
The woman is named Erika Menendez and she committed the crime as an act against Muslims:
Woman charged with pushing man to death in NYC subway said she did it bc wanted to act against Muslims, police say.
— Clifford Levy (@cliffordlevy) December 29, 2012
The victim was a practicing Hindu.