The prosecutor has the legal obligation to prove each element of the alleged offense beyond a reasonable doubt. Even if they believe they have the evidence, it does not automatically mean that you will be convicted. For each charged offense, there may be an effective legal defense that keeps the prosecutor from being able to prove the crime. Depending on your defense, you may have your own obligation to prove each individual element. Some of these defenses amount to saying, “yes, I did what I was accused of, but there is a valid legal reason for it.” Here are some defenses that are used in Wisconsin criminal cases.