When bad people die - Omar Abdel-Rahman

I must be getting old. I can remember when there was more compassion in my heart. Lately, when I hear that a religious nutball or terrorist has died, I feel nothing. Omar Abdel-Rahman died in prison. I smiled when I read the real news CCN headline. He cause the deaths of six people and injured a thousand other people. Now he passes from history as a pathetic figure who died in prison. I feel nothing. Should I?