I think for SF to martyr him in a violent attack would be a very bad event, if my understanding of the honor Islam accords martyrs is accurate. No, I think the best thing that could happen is we capture him alive and give him life imprisonment in a prison the serves only SPAM at every meal.
Alive and free he serves as an inspiration to fanatics everywhere who can relish in the success of his attack on NYC, which he carried out with apparent impunity.