In 1831, slave Tice Davids successfully escaped from Kentucky into Ohio and his owner made the report explaining how a Quaker helped his slave to get free from one of the underground railroad network.
In 1839, a Washington newspaper reported about a slave named Jim who tried running through an underground railroad network to Boston and he told about everything about the secret routes while he was being tortured. In New York and Philadelphia, Vigilance Committees was created and by 1840s, they expanded their activities in almost every part of America. This committee guided the slaves on the run.