Under roman law, someone accusing another person of a crime needed belief that the accused was guilty. proof that a crime had been committed. a lawyer willing to take the case to trial. a witness to vouch for the accuser's character.

I think the correct answer from the choices listed above is the second option. Under roman law, someone accusing another person of a crime needed proof that a crime had been committed. The accused h ad the right to face the accuser and offer a defense.