Evidence may have been used against the person but shouldn't have been allowed Evidence that might have helped the person may have been kept out wrongfully The wrong laws may have been used An attorney may have made an inappropriate argument The jury instructions may have confused the jurors The sentence may not have been appropriate for the crime The trial court may have excluded defense evidence that should have been heard by the jury The trial court may have permitted the jury to hear prosecution evidence that should have been excluded Prosecutors can make unintentional errors or engage in intentional misconduct Defense attorneys can make mistakes which deprive the defendant of the effective assistance of counsel
