Exploring Wisconsin's part of the 'Underground Railroad'

MILWAUKEE (CBS 58) -- September is International Underground Railroad Month marking the month in the 19th century that freedom fighters Frederick Douglass and Harriet Tubman took the long, frightening journey to freedom on the underground railroad. 

And part of that journey for many freed or escaping slaves included a trek through Wisconsin.

On CBS 58 Sunday Morning, Rose Schmidt explored how Wisconsin's response to slavery set it apart and helped pave the way toward societal change.