What role roger b taney play in determining wheter or not slaves sue in the courts?

Roger B. Taney, as Chief Justice of the Supreme Court, delivered the majority opinion in the Dred Scott v. Sandford case in 1857, ruling that slaves and their descendants were not US citizens and therefore not entitled to sue in federal courts. This decision further entrenched the institution of slavery and undermined efforts to address the rights of enslaved individuals through the legal system.