the father and husband dr. william petit had to relive all that during the guilt or innocence phase of the first of two trials just now concluding. >> reporter: can any of us imagine what it's like being dr. william petit these last three years? speaking with dignity and kpoesher to courthouse reporters this week about the murders ever his wife and two daughters. a crime as horrific in its details as any in recent memory. >> over the last couple of weeks i've just kept trying to tell myself that good will overcome evil and we'll keep trying to do good things and try to refocus myself on the positive and stay away from the negative. >> reporter: they were the family like so many we know in america. jennifer, mom and wife, a school nurse. hayley, 17 on her way to dartmouth in the fall. mikaela, 11, a tv cooking fan and the doctor in their central connecticut town of cheshire. they seemed to suit their home