The defense presented mitigating evidence by a psychiatrist and members of defendant's family.

"We intend to put on mitigating evidence as to why the ultimate penalty should not be imposed," he said.

Defense lawyers say vigorous presentation of mitigating evidence can make a big difference.

Additionally, the trial judge gave a supplemental instruction on mitigating evidence.

How could the jury have returned any verdict but death if it had no mitigating evidence to consider?

He said this was because defendants are permitted to offer all possible mitigating evidence about their own behavior and life circumstances.

He pleaded guilty at his trial and waived the right to present mitigating evidence.

Counsel presented no mitigating evidence to the jury at the sentencing phase.

How can anyone be sure the death penalty is appropriate, they ask, if mitigating evidence that may exist was not presented?

Almost all answered no, saying they would listen to mitigating evidence and consider alternative punishment.