In the case of Barlow v. Texas in 1966, the U.S Supreme Court examined whether a state law that made it illegal to refuse to answer questions from a grand jury about membership in an organization violated First Amendment rights. The appellant, Barlow, was convicted for refusing to testify before a Texas grand jury about his alleged association with the Communist Party. He argued that this conviction infringed upon his right not to be compelled into self-incrimination and also violated his freedom of association under the First Amendment. The Supreme Court reversed Barlow's conviction on grounds that compelling him to disclose his political affiliations did indeed violate his constitutional rights. The court held that individuals could not be punished for refusing to respond when asked by state officials about their associations and beliefs unless there is a compelling interest at stake such as national security or public safety which outweighs these constitutional protections.

In the dissenting opinion for Barlow v. Texas, it was argued that the majority's decision to overturn Barlow's conviction on grounds of insufficient evidence failed to properly consider all aspects of the case. The dissenting justices believed that there was ample circumstantial evidence pointing towards Barlow's guilt and felt that his actions were consistent with those of a person who had committed an illegal act. They also disagreed with the majority’s interpretation of what constitutes "reasonable doubt," arguing instead for a more nuanced understanding which takes into account both direct and indirect forms of proof. Furthermore, they expressed concern over potential implications this ruling could have on future cases where physical evidence is scarce or non-existent but other compelling indicators suggest culpability.