(LAS VEGAS, KXNT)–A 20 year old man has been arrested in the murder of a teen aged girl in Las Vegas more than a year ago.

Demetrius Black, 20, is charged with murder in the January 2012 killing of 17 year old Betty “Jay” Pinkney.

Police say the girl was killed when shots were fired into a house party near Craig Road and Lamb Boulevard. Pinkney, who was a student at Desert Pines High, was described as an innocent bystander.

A police report released Wednesday by the District Attorney’s office indicates Black was questioned along with two other young men by detectives shortly after the shooting, and his arrest today was the result of a long trail of detective work, including ballistics, photographic evidence, cell phone tracking, and follow-up witness interviews.

Black originally told police he was at the party on the night the shots were fired, but had left before the gunfire with his girlfriend.

The police report says photographs were eventually uncovered of Black, a purported gang member, displaying a handgun and that the photos were taken within a day or two before the party shooting.

An autopsy showed Pinkney had died of a bullet wound to her heart, a bullet that was apparently fired into a garage door and traversed the entire length of the home before it hit the teen.

A check of cellphone records also aided police, who confronted Black’s girlfriend. She disclosed that she and Black were at the party at the time of the shooting.


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