In the case of Chicago, Indianapolis and Louisville Railway Company v. McGuire (1904), the U.S Supreme Court ruled in favor of the railway company, reversing a decision by an Indiana court that had awarded damages to McGuire for injuries sustained while working as a brakeman on one of its trains. The key issue was whether or not the railway company could be held liable for injuries caused by fellow employees' negligence under Indiana state law. The Supreme Court concluded that it could not be held responsible unless there was evidence proving that it failed to exercise due care in hiring competent staff or maintaining safe work conditions. As such, since McGuire's injury resulted from his co-worker's mistake rather than any negligence on part of his employer, he wasn't entitled to compensation from them.

In the dissenting opinion for the case of Chicago, Indianapolis and Louisville Railway Company v. McGuire, Justice Harlan argued that the majority's decision was a misinterpretation of Indiana state law. He contended that under Indiana law, an employer is obligated to provide safe working conditions for its employees. This includes ensuring that all machinery and equipment are in good condition and safe to use. In this particular case, he believed that there was sufficient evidence presented at trial showing negligence on part of the railway company as it failed to maintain its cars properly which resulted in injury to Mr. McGuire while performing his duties as a brakeman on one of their trains. Therefore, according to Justice Harlan’s interpretation of Indiana law regarding employers' liability for workplace injuries caused by unsafe conditions or faulty equipment should have led the court towards ruling in favor of Mr.McGuire rather than absolving the railway company from any responsibility.