Woman in custody in connection with New York City subway death December 29, 2012 -- Updated 1804 GMT (0204 HKT) Police investigating the case released this sketch of the person they were seeking. The woman made "statements implicating herself in the death of Sunando Sen," police said Witnesses say a woman pushed the man onto the tracks as a train entered a station The man's body was pinned under the second car after it came to a stop New York (CNN) -- A woman wanted in connection with the death of a man shoved in front of a subway train this week is in custody, New York police said Saturday. The woman made "statements implicating herself in the death of Sunando Sen," said Paul Browne, the New York Police Department's chief spokesman. Witnesses said a woman paced the platform and talked to herself shortly before pushing the man onto the tracks as the 11-car train entered the station. Police had described the culprit as a heavyset woman in her 20s, wearing a ski jacket and sneakers. Security video shows a person running from the scene shortly after 8 p.m. Sen, 46, of Queens had owned a shop called New Amsterdam Copies and was a graphic designer for posters, said Ar Suman, Sen's roommate.