yes, they did and they wrathed them with it.
Slaves
Slave catchers
You can guarantee that
The simple answer for this question would be Slave hunters or Slave catchers..
David Ruggles hid his slaves in trees and high places that the slave catchers would not find them.
People whose jobs was to find, capture and return escaped slaves, for a bounty.
Bloodhounds were commonly used to pick up the scent of slaves and to track them down. Slave owners somtimes hired mercenaries or Bounty Hunters to retreive slaves.
Yes, slave catchers did go to Canada in pursuit of escaped slaves who had fled there seeking freedom. Due to differences in laws and customs between the United States and Canada regarding slavery, some slave owners hired bounty hunters or sent agents to retrieve their escaped slaves in Canadian territory.
If regular citizens refused to assist slave catchers, it could disrupt the operation of the slave system by hindering the capture and return of escaped slaves. This resistance could potentially undermine the effectiveness of slave catchers and could lead to increased public awareness and debate about the issue of slavery.
The Fugitive Slave Act of 1850 greatly increased the ease of operation of slave catchers in northern cities by allowing them to capture and return escaped slaves without due process or legal protections for the fugitives. The law required citizens to assist in capturing runaway slaves and imposed heavy penalties on those who helped slaves escape.
With extreme indignation at being treated like unpaid slave-catchers. 'Uncle Tom's Cabin' was written as a protest against it.
People helped hide fugitive slaves along the Underground Railroad and wouldn't turn them over to slave catchers.