In Morse v. United States, the Supreme Court ruled on a case involving a man who had been convicted of embezzlement and sentenced to five years in prison. The defendant, Morse, argued that his conviction should be overturned because he was not allowed to present evidence at trial that would have shown he did not intend to defraud anyone. He also claimed that the judge gave incorrect instructions to the jury about what they needed to find in order for him to be guilty of embezzlement. The Supreme Court disagreed with both arguments made by Morse. They found no error in how the trial court handled his case or instructed the jury. The justices noted that intent is an essential element of fraud and must be proven beyond reasonable doubt but it can often only be inferred from circumstances since direct proof is rarely available. Therefore, even if Morse didn't intend any harm when he took money from his employer's bank account without permission (which was essentially what happened), this doesn't necessarily mean he wasn't guilty of embezzlement as long as there were enough circumstantial evidence pointing towards fraudulent intent.

In the dissenting opinion for Morse v. United States, Justice Oliver Wendell Holmes Jr. argued that the defendant's conviction should be overturned because he was not given a fair trial due to public prejudice and hostility against him at the time of his trial. He believed that this bias had influenced both the jury selection process and their final verdict, leading to an unjust outcome. Furthermore, he disagreed with the majority's interpretation of conspiracy law in relation to this case, arguing that it was too broad and could potentially criminalize innocent behavior or associations between individuals who merely shared similar beliefs or ideologies but did not actively conspire together to commit illegal acts.