this evening an arrest after a man was pushed in front of an oncoming subway train. The woman in custody facing hate crime charges after telling police she pushed a man to his death because she thought he was a muslim. Reporter: It was a bizarre ending to a crime thatas shocked this city. The woman accused of pushing a man onto the train tracks, screaming and smiling as cameras captured here arrest. This surveillance video led police to erika menendez. Investigators say that's her running away from a train station in queens thursday night just moments after she shoved 46-year-old sunando sen off the platform. Now she's reportedly admitted to the crime. I pushed a muslim off the train tracks because I've hated hindus and muslims since they put down the twin towers. I have been beating them up since. The victim a hindu immigrant from calcutta, india. His roommates say he was a graphic designer who just opened his own prinompany. I feel bad because I am broke in my heart because this guy is nice guy and so quiet. Reporter: His death comes weeks after 58-year-old ki-suck han was killed at another new york station. This video shows the suspect arguing with the victim minutes before he pushed him off the platform. You never know who is going to push you onto the tracks or into the street. Reporter: Those concerns led new york mayor michael bloomberg to make this call for calm. I don't think you have to worry about getting pushed over the platform. It's such a rare occurrence, no matter how tragic it is, it shouldn't change our lifestyle. Reporter: Regardless, many riders say they'll be staying far away from the platform edge for now. Akiko fujita, abc news, new