Here is a comprehensive history of slave patrols in the US: https://www.hup.harvard.edu/catalog.php?isbn=9780674012349 https://www.hup.harvard.edu/catalog.php?

Here is a comprehensive history of slave patrols in the US: https://www.hup.harvard.edu/catalog.php?isbn=9780674012349 https://www.hup.harvard.edu/catalog.php?isbn=9780674012349