The case of McCoy v. Louisiana revolved around the issue of a defendant's autonomy in deciding his defense strategy, particularly when it contradicts with that of his counsel. Robert McCoy was convicted for triple homicide and sentenced to death in Louisiana. Despite maintaining innocence throughout, his attorney conceded guilt during trial hoping for leniency during sentencing due to Mr.McCoy's mental health issues. The Supreme Court ruled 6-3 in favor of Mr.McCoy stating that this violated the Sixth Amendment which guarantees defendants the right to choose their objective at trial even if they are represented by counsel. The court held that while attorneys may make strategic decisions about how a defense is presented, they cannot override a client’s fundamental decision about objectives like pleading innocent or guilty.

In the dissenting opinion for McCoy v. Louisiana, Justice Alito argued that while a defendant should have autonomy over what plea to enter and whether to waive the right to a jury trial or testify in their own defense, they do not possess "the right to dictate any particular objective of his defense" beyond these fundamental decisions. He contended that once a defendant authorizes an attorney's representation, he surrenders control over certain aspects of his case - including strategy - which falls under the lawyer's professional judgement. In this specific case, where Mr.McCoy insisted on maintaining innocence despite overwhelming evidence against him, Justice Alito believed that his counsel acted ethically and reasonably by conceding guilt in hopes of avoiding capital punishment during sentencing phase. The dissent concluded by expressing concern about potential implications of majority’s decision on future cases involving disagreements between defendants and their attorneys regarding trial strategies.