The season 4 finale of 'The Lincoln Lawyer' has ended with several unresolved questions, including who killed Sam Scales and whether the main character, Mickey, will go to prison. The finale reportedly featured a surprise murder trial and a shocking death, with some outlets suggesting that Mickey's freedom is at stake. The conclusion of the season has left viewers with unanswered questions, including the identity of Sam Scales' killer and the outcome of Mickey's trial.