was bleeding out. >> i saw him like gasping for air, and i wish i had started cpr right there, but we were in so much shock. >> rusty had been best man at josh goleb's wedding. the radiologist said he found it hard to hear testimony about the medical details of his friend's last moments. >> it was the fourth and final shot. that's the one that went through his neck, through his spine, through his spinal cord, and not only paralyzed him, but i think -- >> he was dead at that moment? >> yes. that's one of the hardest things for me to see. >> after delivering the kill shot, witnesses testified that neuman calmly walked back to his minivan and melted into morning traffic. within hours he was back at his desk, observed juggling routine meetings. what did he expect to happen next? the prosecution had explained how the murder plotted out, but now they wanted the jury to understand why. rusty was the last person standing between hemy neuman and