NEW : `` My message to my son is that I love him and we 're going to find him , '' mom says . NEW : `I'm not sure what you mean by'finding your child '? " The message is being played from the speakers of police cars and other search vehicles . Avonte , 14 , was last seen leaving his Long Island City school on October 4 .
NEW : `` My message to my son is that I love him and we 're going to find him , '' mom says . NEW : Attorney says school officials took at least 45 minutes to call police after teen left . The message is being played from the speakers of police cars and other search vehicles . Avonte , 14 , was last seen leaving his Long Island City school on October 4 .