Miles was the administratrix of her deceased husband’s estate and filed a Federal Employer’s Liability Act lawsuit against Illinois Central Railroad Co. on her husband’s behalf. Miles filed in Missouri State court, and Illinois Central Railroad Co. sought to stop the suit and filed to do so in Tennessee court, arguing that the fatal accident occurred in Tennessee and moving the trial to Missouri would be inconvenient and expensive. The Supreme Court ruled in Miles’ favor, saying that this injunction was a violation of the privileges and immunities clause of the fourteenth amendment. Justice Jackson wrote a concurring opinion, recognizing Congress’s power to allow plaintiffs more jurisdictional latitude when choosing venue even if it imposes a greater burden on the employer.