Thus, a trial might be closed to the public to protect classified documents, protect trade secrets, avoid intimidation of witnesses, guard the safety of undercover police officers, or protect the identity of a juvenile.
In a civil trial, the plaintiff initiates the lawsuit and seeks a remedy from the court for private civil wrongs allegedly committed by the defendant or defendants.
In a criminal trial, the government is represented by an attorney, known as the prosecutor,who seeks to prove the guilt of the defendant.