On Tuesday, the U. S. Supreme Court declined to hear the death penalty appeal of Nathan Dunlap, the so-called Chuck E. Cheese killer.

In 1993, Dunlap walked into the Aurora, Colorado Chuck E. Cheese where he had been fired as a pizza dough maker, and fatally shot four of his co-workers.

Dunlap, now 38, was 19 years old at the time. The Chuck E. Cheese killer is now facing the death penalty in Colorado, a state that hasn't executed a death row inmate in over a decade.

Democratic lawmakers in the state even planned to propose a bill this week officially abolishing the death penalty in the state, according to the Colorado Independent.

Regardless of current legal precedent, former chief deputy prosecutor for the Dunlap's case, Jim Peters, feels that the Chuck E. Cheese killer should receive the sentence that was handed down 20 years ago.

"On behalf of the victims' families Mr. Dunlap's case should be concluded and the execution ordered by his jury should be carried out," Peters said.

Colorado District Attorney George Brauchler said the death penalty was "appropriate" for the Chuck E. Cheese killer and vowed to "continue to seek imposition of the death sentence in this case, in the interests of justice."

In the history of Colorado state government, no governor has ever pardoned a death row inmate or reduced a death sentence to life imprisonment.

Bob Crowell, a father of on one of the Chuck E. Cheese employees that Dunlap killed, told Denver's 7News that the murder "left a big hole in our family, of course."

Crowell says he believe the death penalty is the appropriate punishment for Dunlap.

"Don't get me wrong. I am not a violent type guy," he said. "I just think the public deserves justice."