What happened to most fugitive slaves once they were captured after the Fugitive Slave Act was enacted?

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Once captured, most fugitive slaves were peacefully returned to their masters under the Fugitive Slave Act. The law required citizens to assist in the capture of runaway slaves and imposed heavy fines for those who aided escape or interfered with the recapture of slaves. This made it difficult for abolitionists to intervene or help slaves escape, and many slaves were returned to bondage. While some commissioners granted freedom to a few fugitive slaves, these instances were rare.

What Happened to Most Fugitive Slaves Once They Were Captured