In March of the following year Chang wrote a letter to the Chinese Association for Human Rights claiming his innocence and asking for help.
審判結果，一審、二審，以及兩度更審，張銘傳都被判死刑。民國七十二年三月十七日，中國人權協會接到了張銘傳的求助函，聲稱身受不白之冤，請求人權協會代為伸張人權、恢復清白。