they reached maybe wilmington, delaware, which is just below the mason-dixon line and weather was thomas garret at a recognized kind of the group in wilmington helping fugitives. once they got over the border into pennsylvania they encountered in the quaker farmers in southern pennsylvania who are willing to help, and then they're sent to philadelphia where william still as you said when what they called the vigilance committee. he would quickly put on a train trip up to new york and notify gay by telegram, two are coming, or something like that. napoleon would go and meet them at the depot. and engage quickly whenever you couldn't stay in philadelphia. you could not stay in here. you were liable to be captured at any moment. the point was to get moving on to upstate new york which was a lot safer. after 1850 really just to get to canada because of the fugitive slave law. you are not safe anywhere in the united states. it's a commentary on our history that these are people, we often think of people immigrating to the united states to seek freedom but here were people who had to flee the united