It's commonly accepted that the American Civil War began with the Confederate attack on Fort Sumter in South Carolina on April 12, 1861.
But some make a case for the start of the Civil War being the October 1859 raid on Harpers Ferry by abolitionist John Brown. It was his failed attempt to spark an armed slave revolt and it ended with John Brown being hanged for treason in December 1859.
The story of John Brown, the abolitionist movement and the Underground Railroad in Detroit is the subject of a new documentary called "Madman or Martyr."
The documentary will premiere on Jan. 31 at the Charles H. Wright Museum of African American History in Detroit.
Filmmaker and actor Luke Jaden produced "Madman or Martyr." Jaden is from Clarkston in Oakland County and he is 17 years old.
Carol Mull is a founding member of the Michigan Freedom Trail Commission, an author and scholar of Underground Railroad history in Michigan.
They both joined us today.
Listen to the full interview above.