BREAKING: Teen Shooting Suspect Had Contemplated Killings for ‘At Least A Week’

Bernalillo County Sheriff Dan Houston and one of his top investigators said during a news conference this morning that 15-year-old Nehemiah Griego had been planning violence for “at least a week.”

Investigators are still trying to determine who, if anyone, he told about his plans. Among those detectives are considering as someone who may have known is Griego’s 12-year-old girlfriend.

Shortly after he allegedly shot his mother while she slept — around 1 a.m. Saturday — Griego texted a picture of his mother’s body to his girlfriend, Houston told reporters.

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Other new details that came out during the news conference:

Covington said Nehemiah was fond of playing video games, including Modern Warfare and Grand Theft Auto.

Houston said that although he has numerous arrests in his past, it does not appear Greg Griego was a convicted felon.

Covington said it appears some of the guns owned by Greg Griego — including possibly those used in the killings — had been purchased by Greg Griego’s friends and then either sold or given to the pastor. BCSO is working with the federal Bureau of Alcohol, Tobacco, Firearms and Explosives to trace the history of those guns, as well as the two pistol-grip 12-gauge shotguns that were found in the Griegos’ home on the 2800 block of Long Lane SW.

Not determined: whether playing video games has any relevance whatsoever.