The people that shot Fred did not know he was a man of peace. They did not know about peace or trust. They hadn't heard that Christ is our peace, that Christ has broken down the dividing walls of hostility. He was a minister of healing, a man of peace. They did not remember or had never heard of God's peace.
Peacemakers stir things up.
Look at Jesus, he stirred up controversy wherever he went. When you proclaim God's peace you will make a differences in this world and in our church.