What factors should define the limits of why a defendant acted in such a way as to cause the death or injury of another person? Sexual abuse? Physical abuse of a parent? Poverty? Bullying? Traumatic Brain Injury? Drug/alcohol addiction? Can the defendant raise the issue of the victim's criminal history, immoral lifestyle, or fringe religious beliefs? Can the defendant produce a video with music and poetry describing his/her childhood and efforts to overcome a troubled life? What factors should define the limits on whose views about the impact of the victim's injury or death may be heard and what types of testimony can be given? Immediate family? Friends of friends? Employers? Neighbors? Patients? Must those speaking on behalf of the victim appear and testify? Can they just send in a letter? Can they produce a video with music and poetry? Can they speak only about the victim or can they also share their views about the defendant?