The U.S. Supreme Court case Carlucci, Frank C., Secretary of Defense, et al. v. Doe, John (1988) revolved around the issue of whether a federal employee's dismissal due to his homosexuality violated his constitutional rights or not. The plaintiff 'John Doe', an anonymous Central Intelligence Agency (CIA) employee was terminated after he admitted to being homosexual during a security clearance interview. He sued on grounds that this termination violated his right to equal protection and procedural due process under the Fifth Amendment as well as infringed upon his First Amendment rights by punishing him for private sexual behavior which had no bearing on job performance or national security interests. However, the Supreme Court upheld Doe’s dismissal in a 7-2 decision stating that CIA Director has broad discretion over employment terminations based on concerns about protecting classified information and ensuring agency integrity; thus it did not violate any constitutional protections.

In the dissenting opinion for Carlucci v. Doe, Justice Blackmun argued that the majority's decision to uphold John Doe's dismissal from his position in the Defense Intelligence Agency (DIA) without a hearing was unjust and violated due process rights. He contended that even though national security concerns were valid, they did not automatically negate an individual’s right to procedural fairness when their employment is terminated. In this case, he believed there should have been a balance between protecting sensitive information and ensuring fair treatment of employees accused of potentially disqualifying behavior. Furthermore, he criticized the majority for accepting at face value the government’s claim about potential risks without any independent judicial review or scrutiny of such claims.