He is alive , he says . Three weeks of searching have left New York police with little hope of finding him . Police said Avonte was last seen wearing a gray striped shirt , black jeans and black sneakers . Search has included helicopters , search dogs , video camera scans , search of subway system . Police have searched all 468 New York City subway stations .
He is alive , he says . Three weeks of searching have left New York police with little hope of finding him . Search has included helicopters , search dogs , video camera scans , search of subway system . Police have searched all 468 New York City subway stations .