( January 29, 2025, 2:14 PM EST) -- CINCINNATI — A federal district court properly found that two experts retained by a man who alleges that a defective firearm accidentally fired and the bullet hit his leg cannot opine on causation but erred in excluding their testimony on whether the firearm was defectively designed and whether reasonable alternative designs existed, the Sixth Circuit U.S. Court of Appeals ruled in a split decision, reversing an award of summary judgment....