Court documents are shedding more light on what led to a deadly stabbing at a Phoenix-area school earlier this week.

Chris Aguilar, 16, was charged with second-degree murder in the fatal stabbing of another student, 16-year-old Michael ...

A 16-year-old Arizona high school student has been charged with second-degree murder after he stabbed a fellow student to ...

Chris Aguilar, 16, spoke little during his initial court appearance in Phoenix, while loved ones of Michael Montoya, 16, ...

Scores of mourners clad in the Phoenix school's colors gathered as the sun set while they memorialized a 16-year-old stabbed ...

The vigil was held days after the victim, Michael Montoya II, was stabbed and killed at Maryvale High School. The suspect in ...