Teen says 'devil' made him kill inmate - FOX5 Vegas - KVVU

Teen says 'devil' made him kill inmate

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Carl Guilford, 18, is charged with murder Carl Guilford, 18, is charged with murder
Francesco Sanfilippo, 39, was housed in a cell with Guilford at the Clark County Detention Center Francesco Sanfilippo, 39, was housed in a cell with Guilford at the Clark County Detention Center
LAS VEGAS (FOX5) -

For the second time, a Las Vegas teen has claimed the "devil" convinced him to commit murder, according to Metro police.

Carl Guilford - jailed in May for the death of his 6-year-old cousin - is accused of stabbing his cell mate to death with a pencil at the Clark County Detention Center.

The inmate, 39-year-old Francesco Sanfilippo, was found covered in a white sheet in his cell, authorities said, with blood smeared across the walls and floor of the room.

Corrections officers said Guilford was sitting on a top bunk with a "blank stare" on his face.

Sanfilippo was being held on 13 counts of possession of child pornography and on a warrant for drunken driving.

According to an arrest report, Guilford claimed Sanfilippo grabbed his buttocks and said "I'm going to take that."

The two started to fight, and Guilford said he "slammed" the older man to the ground and put him in a "rear naked choke hold."

Guilford said he didn't remember anything after that.

But the teen changed his story, police said, and said "the devil told him that he needed to kill Sanfilippo or he would make him kill himself."

"Guilford said that Sanfilippo was sitting in a chair at the desk when Guilford attacked him," according to the arrest report.

He repeated the claim that he didn't remember what happened after choking Sanfilippo. Police said Friday that the inmate was stabbed several times with a pencil.

Inmates are allowed to have small writing utensils, according to Metro Capt. John Donahue. 

Guilford's recount of the killing parallels what he told police following the death of his cousin, Christopher Montgomery, in late May.

The teen told police he smothered the boy with a comforter, and heard a voice telling him "well done."

"Guilford stated he believed the voice was the devil's," police said.

Many wonder, how were the two put in the same cell to begin with?

"It's based on how they behaved in the past, medical and psychological issues, they are screened to determine where they should be housed," said Capt. Donahue. "It's not solely based on the charges they face."

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