Informer Shield Upheld Over Rights of a Father
US Sup Ct on June 18 refuses to rev case of T S Leonhard, who sought Govt assistance in finding his children and divorced wife; his wife married ex-convict P Calabrese, star witness in '67 organized crime prosecution in Buffalo, who is being protected with new identity, home and occupation for his role as informer in trial; Govt held that lives of wife and children would be in danger if identity was revealed
