The court systems in the United States are closely linked hierarchical systems and are operated under the authority of the United States Constitution and federal law. The court system is a way of ensuring that laws are followed while ensuring that justice is served to the individuals committing crimes. The court system in the United States is far from perfect; nevertheless, it is a system that works and the best available system. The court system allows all defendants to exercise his or her constitutional rights, for example; there is a right to an attorney, security against double jeopardy, and protection against self-incrimination. There is; on the other hand, some issues that are causing problems such as the speediness of trying cases, the perceived insensitivity to victims' rights, and the ongoing problem of language barriers.