Chris Aguilar, 16, is accused of fatally stabbing Michael Montoya, 16, at Maryvale High School on Aug. 19. A knife was ...

After weeks of hot temperatures and weak promises promises of rain, monsoon conditions may finally develop in metro Phoenix.

Maryvale High School was one of two Phoenix Union High School District schools to pilot an advanced weapons detection system.

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