Court documents obtained Wednesday detail the moments leading up to the stabbing of the 15-year-old, and the possible motive for the killing.

Prosecutors claim the suspects are all Sureño gang members and purposely dressed in red, a color affiliated ... across the street from Santana Row, less than an hour before the fatal stabbing.

I've worked with Amazing Red, Homicide and a lot of the other younger guys that are out now. It's just been awesome, man," ...