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David Perecman, right, attorney for Vanessa Fontaine, mother of missing autistic teen Avonte Oquendo, speaks at the Rev. Al Sharpton's National Action Network headquarters, in New York, Saturday, Jan. 18, 2014. 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. Sharpton is at left.
NEW YORK—The parents of an autistic New York City teenager missing since October are holding on to a slim hope that human remains discovered on the banks of the East River belong to someone else.

But a lawyer for the family conceded Saturday that "It's not looking great" for the family of Avonte Oquendo.

Lawyer David Perecman (PEHR'-es-man) says the clothing found on the remains appears to match what the 14-year-old was wearing when he vanished after bolting from his Queens school.

The body parts were discovered Thursday in a secluded inlet.

Police returned to the Queens waterfront Saturday to gather more evidence.

Perecman said Avonte's family is waiting for DNA tests to determine whether the remains belong to the missing teen.