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. ~~snip~~ Houston said that although he has numerous arrests in his past, it does not appear Greg Griego was a convicted felon. [Sheriff’s Lt. Sid] Covington said it appears some of the guns owned by Greg Griego — including possibly...