The other three suspects — Andrew Garcia, Alejandra Guerrero and Jonathan Del Carmen — have all been convicted in the deadly attack... According to prosecutors, 24-year-old USC engineering student Xinran Ji was walking home from a study group around 1 a.m. on July 24, 2014 when he was attacked by four assailants, including Ochoa. They beat Ji with a metal baseball bat and wrench in a robbery attempt gone awry, according to prosecutors, leaving the 24-year-old to escape to his apartment near campus. Ochoa is accused of hitting the victim with a bat and then running away... Ji left behind...