The Legal Aid Bureau of Buffalo seeks to provide access to justice and due process to the most vulnerable individuals in the Western New York community through quality legal representation and assistance. Definition. Under general direction, assists in investigating and filing post-conviction motions (CPL ยงยง 440.10, 440.20, 440.30, 440.47) and performs a variety of appellate activities in criminal appeals on behalf of indigent appellants, as assi...