While stipulations are very useful in civil cases, these should be rarely used in criminal case. The reason is because the stipulation relieves the state of its burden as to proving a piece of evidence that it needs to prove in the trial or hearing to prove the charge.
Abstractly, almost anyone understands the point, but when your life or liberty are at stake – -testifying goes from an uncomfortable idea to being flat terrifying. Think public speaking being considered scarer than death. Now turn that public speaking fear “up to 11,” and you have testifying to save yourself or clear your name.
Corpus delicti is a legal rule which refers to the proposition that the prosecution must prove all the elements of an offense (and, thus a crime) before the accused’s out-of-court statements can be introduced as evidence to demonstrate that the accused was the perpetrator. This principle is widely accepted in criminal prosecutions. The purpose of the rule is to ensure that crazy people are not convicted of crimes simply because they made some admission that they committed the crime without further proof.