Ramon Joseph Rivas pleaded guilty to second-degree murder for the stabbing death of his girlfriend, Jessica Marie Tinoco, in Simi Valley. The attack occurred in front of Tinoco's five children.
- Rivas admitted to special allegations including use of a deadly weapon and prior strike convictions. - The incident took place on September 27, 2024, during a domestic dispute.
- Tinoco suffered multiple stab wounds, including four fatal wounds. - Rivas faces a maximum sentence of 51 years to life in prison, with sentencing scheduled for July 9, 2026.