On Thursday 21-year-old William Atchison snuck onto Aztec High School, disguised as a student, and fatally shot two students. Here is a breakdown of what we know so far in this tragic series of ...

William's father,Wayne Atchison, and brother Brentt Atchison, say there were signs, but they didn't think William would act on them."I hear there was a shooting at the high school, and I hear my ...

EAST HAMPTON, Conn., Nov. 25 (UPI) -- Former Connecticut Gov. William Atchison O'Neill has died at the age of 77. O'Neill, who suffered from emphysema, died Saturday at his home in East Hampton ...

The 21-year-old man who shot and killed two students at Aztec High School in New Mexico on Thursday had previously been investigated by the FBI for online comments about planning a mass shooting.