Rapper Sues California Prison System Over Stabbing Incident

Rapper Tory Lanez has filed a $100 million lawsuit against California’s Department of Corrections after a brutal stabbing attack whilst incarcerated at the California Correctional Institute in Tehachapi last May. The artist, known as Daystar Peterson and currently serving a 10-year prison term for the 2020 shooting incident involving Megan Thee Stallion, was struck 16 times with a blade by fellow inmate Santino Casio in what the lawsuit characterises as an “unprovoked dangerous assault.” The assault left Peterson admitted to hospital with a punctured lung and multiple stab wounds to his back, torso, and head. The lawsuit names the Department of Corrections, the prison warden, and guards as respondents, alleging carelessness regarding inmate placement and a delayed response to the violence.

The May 2025 Attack and Its Consequences

The May 2025 stabbing incident at Tehachapi represented a watershed moment in Peterson’s incarceration. According to the lawsuit, fellow inmate Santino Casio, who was serving a life sentence for second-degree murder, launched an unprovoked assault that left the rapper fighting for his life. Peterson sustained a punctured lung alongside multiple stab wounds across his back, torso, and head—injuries severe enough to warrant immediate hospitalisation. The attack raised significant concerns about prison security protocols and inmate classification procedures, particularly given the dangerous situation of housing two inmates with such markedly different profiles and threat levels.

Following his recuperation, Peterson was transferred to San Luis Obispo County’s California Men’s Colony, marking another chapter in his incarceration experience. The lawsuit further alleges that during this move, Peterson did not regain his personal items from Tehachapi, including songbooks with lyrics to unreleased music—a loss that compounds the psychological and physical harm of the assault. Notably, despite the seriousness of the assault, Casio was not charged in connection with the assault, a detail the lawsuit highlights as part of institutional breakdowns within the prison service.

• Casio stabbed Peterson 16 times during the unprovoked attack
• Peterson hospitalised with punctured lung and several lacerations
• Relocated to California Men’s Colony upon recovery
• Personal belongings, including songbooks, remained missing from Tehachapi

Accusations of Negligence, and Organisational Breakdown

Accommodation Choices and Security Worries

At the heart of Peterson’s lawsuit lies a fundamental criticism of the Corrections Department’s decision process regarding prisoner accommodation placements. The court document argues that placing Peterson alongside Santino Casio—a life-sentence prisoner incarcerated for murder in the second degree—represented a severe breakdown in risk evaluation and inmate classification. The lawsuit maintains that the department “ought to have been aware” to identify the danger inherent in this pairing. Peterson’s high-profile celebrity status, the suit contends, rendered him an clear target within the prison facility, making the housing decision not merely negligent but callously indifferent to his wellbeing and safety.

The lawsuit highlights that such placement choices necessitate close examination of prisoner histories, threat levels, and underlying reasons for violence. By failing to separate Peterson from Casio, facility management allegedly demonstrated a systemic disregard for core protective measures that ought to regulate California’s prison system. This breach of care, the attorneys argues, immediately caused the conditions under which the stabbing occurred, changing what could have stayed preventable violence into an entirely foreseeable consequence of systemic failure and inadequate protective measures.

Response and Guard Behaviour

Beyond the initial housing decision, the lawsuit takes aim at prison guards’ response during the incident of violence. According to the filing, correctional officers delayed their intervention when Casio initiated the assault, enabling the situation to worsen. The lawsuit explicitly condemns the failure to use flash grenades or other non-lethal intervention methods that might have stopped the attack before Peterson incurred his most critical harm. This alleged delay in response to an active stabbing incident suggests either inadequate training, understaffing, or a troubling indifference to inmate welfare—each possibility casting doubt on institutional competence.

The guards’ conduct during the critical minutes of the attack calls into question emergency protocols and personnel readiness within California’s prison system. Conventional correctional practices generally require swift action to violent incidents, yet the lawsuit contends this incident significantly departed from such protocols. The cumulative effect of slow response times and the lack of appropriate tactical intervention meant that Peterson’s 16 stab wounds were inflicted with scant active defence from security personnel, converting what could have been a serious incident into a critical emergency demanding hospital treatment.

The Larger Context of Lanez’s Incarceration

Tory Lanez’s ongoing incarceration stems from a widely publicized 2020 shooting incident featuring fellow rapper Megan Thee Stallion. The altercation, which occurred during the summer of 2020, led to Peterson firing at Stallion in the foot. After a prolonged court proceedings, he was found guilty in December 2022 on multiple gun-related charges, including assault with a firearm, and thereafter given a decade in prison. This guilty verdict represented a major turning point in rap music, attracting widespread media attention and sparking considerable debate across the music sector concerning responsibility and the events related to the occurrence.

Peterson’s court disputes have continued throughout his incarceration, with his defence counsel lodging an appeal challenging the conviction and sentence. However, in November 2025, a panel of three judges denied his appeal and maintained the 10-year sentence originally imposed, essentially shutting down what many hoped would be an path to release or reduction in sentence. This rejection came roughly six months after the stabbing attack at Tehachapi, meaning Peterson was grappling with both the physical and psychological aftermath of the prison stabbing whilst simultaneously processing the frustration of his failed appellate challenge. The convergence of these circumstances has substantially complicated his experience within the California correctional system.

Lawful Claims and Compensation Sought

Tory Lanez’s lawsuit against the California Department of Corrections seeks $100 million in damages, amounting to one of the most substantial suits filed against the state’s correctional system in the past several years. The court filing names the Department of Corrections as the primary defendant, alongside the warden and prison staff stationed at the California Correctional Institute in Tehachapi. The lawsuit argues that institutional failures in correctional management and security protocols directly contributed to the extent of Peterson’s injuries during the 2025 stabbing attack. The large compensation amount reflects both the bodily harm sustained and the emotional harm of the unprovoked incident.

At the heart of the lawsuit’s arguments is the allegation that prison authorities made a dangerously inadequate decision in housing Peterson with fellow inmate Santino Casio, who was completing a life sentence for second-degree murder. The legal filing asserts that the correctional department either knew or should have known that this cell assignment posed a significant risk to Peterson, particularly given his prominent inmate status within the prison. Furthermore, the lawsuit criticises the actions of correctional staff, contending that guards did not use appropriate emergency measures such as flash grenades to halt Casio’s attack. Notably, Casio was never charged with the stabbing despite inflicting sixteen wounds on Peterson.

• Department of Corrections failed to prevent known dangerous inmate pairing
• Celebrity status rendered Peterson a recognisable target for violence
• Security personnel delayed response to stabbing emergency
• Prison failed to employ flash grenades or other containment measures
• Peterson’s personal possessions, including unreleased songbooks, remain missing