What is a critical factor in determining the admissibility of evidence?

The correctness of the answer highlights the fundamental principles of evidence admissibility in legal proceedings. Evidence must be both relevant to the case at hand and obtained in compliance with legal standards to be deemed admissible. Relevance ensures that the evidence has a logical connection to the facts being established in the case, meaning it should help to prove or disprove a point in question. Additionally, obtaining evidence legally refers to following established laws and procedures, which helps to protect the rights of individuals and maintain the integrity of the judicial process.

This principle underpins the entire legal framework surrounding evidence and is crucial for the fair administration of justice. When evidence is not obtained legally, it can lead to challenges in court, such as motions to suppress, based on violations of constitutional rights, such as the Fourth Amendment's protection against unreasonable searches and seizures. Therefore, the combination of relevance and legality forms the cornerstone of admissibility, ensuring that courts only consider evidence that appropriately supports the pursuit of truth in legal matters.