Students behind deadly on-campus attack of Moreno Valley 13-year-old admit their guilt

Diego Stolz

The two 14-year-old boys accused in the 2019 fatal assault of Moreno Valley middle school student Diego Stolz, have acknowledged their guilt.

"Both juveniles made admissions in Riverside Juvenile Court to involuntary manslaughter and assault with force likely to cause great bodily injury," the Riverside County District Attorney's Office said.

The two suspects previously faced a more serious charge of voluntary manslaughter.

One juvenile is expected to be sentenced on February 10 and the other will be sentenced on February 16, according to Riverside County District Attorney's Office spokesperson John Hall.

The names of the two defendants have not been released because they are minors.


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The fatal assault happened on-campus at Landmark Middle School on Sept. 16, 2019.

Widely circulated cellphone video footage showed one boy standing in Diego's face, while the victim stood with his hands at his side. The boy then backed up before punching Diego in the mouth. The second assailant then blindsided Diego with another punch, causing him to fall and strike his head on a concrete pillar.

Diego suffered major trauma and was pronounced brain dead and taken off life support a week later.

According to attorney David Ring, who is representing Diego's legal guardians in a civil complaint against the Moreno Valley Unified School District, Diego was consistently bullied by two to four boys, starting while he was in seventh grade at Landmark Middle School.

He said the boy's aunt filed "multiple complaints" at Landmark in the 2018-19 academic year and in the first month of the 2019-20 school year, but her concerns allegedly fell on deaf ears.

Just four days before the fatal attack, on Sept. 12, 2019, one of the boys cornered and punched Diego in the chest and threatened to inflict further physical harm, Ring said. At which point Diego went to a science teacher and revealed what he had endured.

"This teacher saw his emotional state and knew there was something wrong, but there was nothing done," the attorney alleged, pointing specifically to alleged inaction by the campus' vice principal, Kamilah O'Connor.

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That afternoon, Diego told his aunt about the assault, and she asked her adult daughter, Jazmin Salcedo, to take the boy to school the next day and address the matter with administrators, according to Ring.

His court filing last year states that Salcedo, Diego and O'Connor met for 20 minutes, and "after the meeting, O'Connor told Jazmin that she had learned the names of the bullies involved and she would suspend them for three days, starting Monday, Sept. 16. She also said their class schedules would be changed so that they would not be in Diego's class anymore."

However, come Monday morning, the boys were still at school and later that day, two boys confronted Diego and threw the punches that ultimately claimed his life.

"I don’t believe the bullies were ever talked to. My information is that the assistant principal did absolutely nothing with that information — ever," Ring said in an Oct. 2019 press conference following Diego's death. "You had a school who knew he was targeted and really did nothing to protect him."

O'Connor and principal Scott Walker were replaced a month and a half after the attack.

A year ago, the MVUSD announced sweeping changes intended to put a stop to bullying incidents, establishing an online complaint process for students and parents, a set of guidelines that identify prohibited behaviors and a phone number that students and parents may call anytime they want to flag acts of aggression, verbal or physical.