Search for missing autistic teen in NYC

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    A missing poster for Avonte Oquendo, a 14-year-old autistic boy who has been missing for 3 weeks since walking out of his school, is posted on a subway window in the Times Square station of New York

    A missing poster for Avonte Oquendo, a 14-year-old autistic boy who has been missing for 3 weeks since walking out of his school, is posted on a subway window in the Times Square station of New York, October 25, 2013. New York Police commissioner Ray Kelly has been quoted in local media saying "Unfortunately, we are not hopeful that we're going to find this young man alive, but we are continuing our search." REUTERS/Carlo Allegri (UNITED STATES - Tags: SOCIETY TRANSPORT)

    Police were investigating whether human remains found along the shore of New York City's East River

    could be those of an autistic teen who walked out of his school and

    vanished more than three months ago, a law enforcement official said

    Friday.

    A person shooting photos discovered what looked like an

    arm on Thursday, said the official, who had direct knowledge of the

    case.

    Police also found a torso and legs in the water, along

    with a dark-colored shoe and clothes resembling what the boy was last

    seen wearing, said the official, who was not authorized to speak

    publicly and spoke to The Associated Press on condition of anonymity.

    (AP)