"I'm the person responsible for this crime," he said, "but what I want to explain to people is that my sister was everything to me and all I had. She was my surrogate mother. She was my lifeline, and I believed in her. Today, as a 43-year-old man, it befuddles me that I could have actually did this. But, at the time, it seemed right. It's what my sister wanted and what I thought was supposed to happen."