In Boston– a city from which it was boasted that no fugitive had ever been returned– Theodore Parker and other members of the city's elite helped form mobs to prevent enforcement of the law as early as April 1851.
U Bostonu — koji je slovio kao mjesto odakle nisu vratili niti jednog odbjeglog roba— Theodore Parker i drugi uvaženi građani pomogli su okupljanja kojim bi se spriječila primjena Zakona već travnja 1851.