Walden made Boyle commit suicide, and Walden received a visit from Bill and Sally. During the ending of “Walden,” Walden Dean, the unassuming stenographer, received news that an alleged serial killer had received bail, and Walden’s face clearly showed his resolve to track this man down. So, even though Walden had been warned by Jesse, who was a very intelligent man himself, that Bill and Sally were onto him, Walden wasn’t going to stop any time soon.