Alex IzaguirreA public schools source working at Coral Gables Senior High informs New Times that the 17-year-old student killed on campus today had been messing around with his assailant's girlfriend.The source, whose identity we are not revealing, says the stabber confronted Juan Carlos Rivera about it as students moved between first and second periods. Police have not released the name of the attacker.The argument escalated into a fight. Rivera was stabbed three times with a box cutter, inc
