The Eyrbyggja Saga on Swart the Strong
Chapter 1 - Herein Is Told How Ketil Flatneb Fares To West-Over-Sea. > Chapter 26 - Of Vigfus And Swart The Strong. The Slaying Of Vigfus.
attestation: Swart missed Snorri and instead struck Mar Hallwardson in the shoulder, inflicting a minor wound
"Snorri went first, and got off out into the outer door before Swart could bring his onset about; but Mar Hallwardson came next, and Swart thrust the bill at him, and it smote the shoulder-blade"
attestation: Snorri captured Swart after the failed assassin slipped on icy causeway stones while fleeing
"Swart sprang out and over the wall, but the causeway stones were slippery under him, and he fell a great fall when he came down, and Snorri got hold of him before he got up"
attestation: Under interrogation, Swart revealed the entire assassination plot and Vigfus's location at Selbrents
"Then they had a true tale of him, and he told them all that had been twixt him and Vigfus, and withal that he was burning charcoal under Selbrents"