Dred Scott, who was born a slave in Missouri, traveled with his master to the free territory of Illinois. As a result, Scott later sued his master for freedom, which the lower courts usually granted.
Dred Scott first went to trial to sue for his freedom in 1847. Ten years later, after a decade of appeals and court reversals, his case was finally brought before the United States Supreme Court.
Taney authored the majority opinion in the 1857 decision in Dred Scott v. Sandford, a case where Scott sought freedom due to having lived in a free state. Taney wrote that because Scott was Black ...