Stabbing in an Arizona high school classroom leaves one student dead and another facing murder charges - Chris Aguilar, 16, was charged with second-degree murder in the fatal stabbing of another student,

Court documents reportedly reveal a possible motive in this week's deadly knife attack in a Maryvale High School classroom.

Chris Aguilar, 16, has been charged with murder in the stabbing death of Michael Montoya II. Aguilar had a 4-inch knife, court records said.

More: Maryvale High student accused of fatally stabbing boy charged ... Richard Obert has been covering high school sports since the 1980s for The Arizona Republic. He also covers Grand Canyon University athletics and the Arizona Rattlers.

PHOENIX — The suspect in a stabbing that left a student dead at Maryvale High School in west Phoenix is in custody, Phoenix police say. Phoenix police officers responded to a stabbing call at Maryvale High School before 11 a.m.

Two students were involved in a stabbing at Maryvale High School, resulting in one death and another in custody.

Maryvale High School in west Phoenix is currently under lockdown after an incident in a classroom that injured a student.