The Unknown Known I know." "The Unknown Known" was screened in the main competition section at the 70th Venice International Film Festival, and premiered at the Telluride Film Festival on August 29, 2013. The documentary has an 84% approval rating on the review aggregator website Rotten Tomatoes, based on 105 reviews with an average rating of 8.2/10. The website's critical consensus reads, "Viewers hoping to see Donald Rumsfeld admit making mistakes in public office may find "The Unknown Known" frustrating – but no less fascinating." On Metacritic, the film has a weighted average score of 69 out of 100, based on 30 critics,
Lewis Powell (conspirator) next door for help. Terrified, Herold tied Powell's horse to a tree and fled on his own steed. Powell now drew out his knife and burst through Seward's bedroom door. Inside were Seward's Army nurse, Sergeant George F. Robinson, and Fanny Seward. Powell slashed Robinson on the forearm, and the soldier fell. Powell punched Fanny in the face, and leapt onto the bed. He savagely began knifing Seward in the head and throat. Seward, however, was wearing a metal and canvas splint on his jaw, which deflected most of Powell's blows. However, Powell managed to cut through Seward's right cheek