“I didn’t kill those Kramer boys,” Sam said, his voice shaking. “I had no business being there, and I was wrong to be involved. But I didn’t kill those boys. That bomb was wired by someone else, not me. I believed it was supposed to go off in the middle of the night, when no one would be anywhere near it. The other person set the bomb to go off much later. I suspect he intended to kill people.”