CAUGHT ON TAPE: Psycho woman flees subway station after hurling man to his death in front of train, leaving victim 'mangled so badly his ID is mystery'

CAUGHT ON TAPE: Psycho woman flees subway station after hurling man to his death in front of train, leaving victim 'mangled so badly his ID is mystery'

Sunando Sen, 46, was pushed off a subway platform to his death in Sunnyside, Queens on Thursday night. Police are searching for his killer.

A MAN WAITING for an approaching No. 7 train in Queens died a gruesome death Thursday night when a young woman darted up behind the helpless straphanger and pushed him onto the tracks, police said.

Sunando Sen was crushed by the first and second cars of the Flushing-bound train about 8 p.m., as his murderer hustled down the stairs of the elevated station at the 40th St./Lowery St. stop in Sunnyside and fled in an unknown direction on Queens Blvd.

The suspect, described by police as a heavyset Hispanic woman in her 20s, was still at large as of early Friday.

Sen co-owned New Amsterdam Printing Co. in Manhattan. Cops are trying to reach his relatives in India before officially releasing his name to the public.

Witnesses told police that Sen likely never saw his killer as she struck. He was the second person this month to be slain by being pushed from a subway platform into the path of an oncoming train.

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The 7 train horror, due to its apparent random nature, was eerily reminiscent of the 1999 death of 32-year-old journalist Kendra Webdale at the hands of a schizophrenic platform pusher, a notorious case that rattled the city and sparked a debate over treatment of the mentally disabled.

Even before the suspect’s fatal action Thursday night, she exhibited signs that seemed to point to a troubled mind.

The woman, who is about 5-feet-5 with brown or blond hair, was seen by at least five witnesses pacing on the platform and mumbling to herself, said NYPD spokesman Paul Browne.

She eventually took a seat on a wooden bench about 20 yards from the victim, who stood on the platform’s edge and did not appear to have ever noticed her, Browne said.

As the train pulled into the station, the woman quickly made her move.

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“She was seated alone and then waited until the train came into the station and approached this individual from behind and pushed him in front of the train,” Browne told reporters at the station Thursday night.

There was not enough time for other straphangers on the platform to save Sen, Browne said. His body was not removed from the tracks until about 1:30 a.m. Friday.

There was no video surveillance of the suspect filmed at the station, but investigators were scouring locations on Queens Blvd. to see if her image was filmed. She wore a gray, blue and white ski jacket and gray and red Nike sneakers, witnesses told police.

Investigators do not believe the victim knew his attacker.

On Dec. 3, Ki-Suk Han, 58, of Elmhurst, Queens, was fatally crushed by a downtown Q train at the 49th St.-Seventh Ave. station after a drifter with a lengthy rap sheet tossed him onto the tracks following an argument.

Cops collared Naeem Davis, 30, and charged him with second-degree murder in the deadly altercation. Davis claimed he had merely tried to push Han, a Korean immigrant and father, away after the altercation.

With Rocco Parascandola and Erik Badia

skavanaugh@nydailynews.com

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