Rapper Sues California Prison System Over Stabbing Incident

Rapper Tory Lanez has filed a $100 million legal action against California’s Department of Corrections following a brutal stabbing attack whilst imprisoned at the California Correctional Institute in Tehachapi last May. The musician, known as Daystar Peterson and currently serving a 10-year prison term for the 2020 shooting of Megan Thee Stallion, was struck 16 times with a blade by fellow inmate Santino Casio in what the lawsuit describes as an “unprovoked dangerous assault.” The attack left Peterson admitted to hospital with a collapsed lung and numerous stabbing injuries to his back, torso, and head. The lawsuit identifies the Department of Corrections, the facility warden, and guards as defendants, alleging carelessness regarding inmate placement and a slow reaction to the violence.

The May 2025 Incident and Its Aftermath

The May 2025 stabbing incident at Tehachapi proved 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 struggling to survive. Peterson sustained a punctured lung alongside several stab injuries across his back, torso, and head—injuries serious enough to warrant immediate hospitalisation. The attack raised significant concerns about security procedures in prisons and inmate classification procedures, particularly given the volatile circumstances of housing two inmates with such starkly different profiles and threat levels.

Following his recuperation, Peterson was transferred to San Luis Obispo County’s California Men’s Colony, constituting another stage in his incarceration experience. The lawsuit further contends that during this transfer, Peterson never recovered his belongings from Tehachapi, including songbooks containing lyrics to unpublished songs—a loss that exacerbates the psychological and physical harm of the incident. Notably, despite the seriousness of the assault, Casio was not charged in connection with the assault, a detail the lawsuit underscores as part of systemic shortcomings within the correctional system.

• Casio stabbed Peterson 16 times during the unprovoked attack
• Peterson taken to hospital with collapsed lung and several lacerations
• Relocated to California Men’s Colony following recovery
• Personal possessions, including songbooks, remained missing from Tehachapi

Accusations of Negligence, and Institutional Failure

Housing Decisions and Security Worries

At the heart of Peterson’s lawsuit sits a core criticism of the Corrections Department’s decision process concerning prisoner accommodation placements. The legal filing argues that placing Peterson alongside Santino Casio—a life-sentence prisoner serving time for second-degree murder—represented a catastrophic failure in risk assessment and prisoner classification. The lawsuit argues that the department “knew or should have been known” to recognise the inherent risk in this pairing. Peterson’s high-profile celebrity status, the suit maintains, rendered him an obvious target inside the correctional facility, rendering the housing decision not merely negligent but recklessly indifferent to his safety and wellbeing.

The lawsuit emphasises that such accommodation determinations demand thorough evaluation of inmate backgrounds, threat levels, and possible drivers for violence. By failing to separate Peterson from Casio, prison administrators allegedly demonstrated a systemic disregard for fundamental security procedures that should govern California’s prison system. This failure of duty, the legal team maintains, directly precipitated the conditions under which the stabbing took place, transforming what should have been preventable violence into an entirely foreseeable consequence of organisational negligence and insufficient safety provisions.

Response and Guard Behaviour

Beyond the initial housing decision, the lawsuit challenges prison guards’ response during the incident of violence. According to the complaint, correctional officers were slow to intervene when Casio launched his attack, allowing the violence to escalate unchecked. The lawsuit specifically criticises the failure to deploy non-lethal devices or other non-lethal intervention methods that might have stopped the attack before Peterson sustained his most severe injuries. This alleged slow reaction to an active stabbing incident suggests either insufficient training, inadequate staffing, or a troubling neglect of inmate wellbeing—each possibility casting doubt on institutional competence.

The guards’ behaviour during the critical minutes of the attack calls into question emergency protocols and personnel readiness within California’s prison system. Typical prison protocols generally require rapid response to violent incidents, yet the lawsuit suggests this incident departed substantially from such protocols. The combined impact of delayed responses and the absence 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 significant event into a life-threatening emergency necessitating hospitalisation.

The Expanded Context of Lanez’s Confinement

Tory Lanez’s ongoing incarceration originates from a high-profile 2020 shooting incident involving rap artist Megan Thee Stallion. The altercation, which took place in the 2020 summer months, led to Peterson firing at Stallion in her foot. Following a prolonged court proceedings, he was convicted in December 2022 on multiple gun-related charges, such as assault with a firearm, and subsequently given a decade in prison. This conviction marked a significant moment in hip-hop, drawing extensive press coverage and sparking considerable debate within the music industry regarding responsibility and the circumstances surrounding the occurrence.

Peterson’s legal battles have continued throughout his incarceration, with his legal team lodging an appeal contesting the conviction and sentence. However, in November 2025, a panel of three judges denied his appeal and maintained the 10-year sentence originally imposed, effectively closing what many hoped would be an route to freedom or reduction in sentence. This rejection came roughly six months after the stabbing attack at Tehachapi, meaning Peterson was dealing with both the physical and psychological aftermath of the prison stabbing whilst whilst also processing the frustration of his failed appellate challenge. The confluence of these events has markedly worsened his circumstances within the California prison system.

Legal Claims and Damages Claimed

Tory Lanez’s lawsuit against the California Department of Corrections pursues $100 million in compensation, representing one of the largest cases filed against the state’s correctional system in recent times. The lawsuit names the Department of Corrections as the principal defendant, together with the warden and prison staff stationed at the California Correctional Institute in Tehachapi. The lawsuit contends that systemic failures in prison management and security protocols directly contributed to the severity of Peterson’s injuries during the stabbing incident in May 2025. The large compensation amount reflects both the physical trauma sustained and the psychological impact of the unprovoked incident.

At the heart of the lawsuit’s claims is the assertion that correctional officials made a dangerously inadequate decision in placing Peterson with cellmate Santino Casio, who was completing a life term for murder in the second degree. The court documents contends that the correctional department either was aware or should have known that this housing arrangement posed a significant risk to Peterson, especially given his high-profile celebrity status within the facility. Furthermore, the lawsuit criticises the response of security personnel, arguing that officers failed to employ appropriate emergency measures such as stun grenades to stop Casio’s attack. Notably, Casio was not prosecuted with the stabbing despite inflicting sixteen wounds on Peterson.

• Department of Corrections did not stop identified high-risk inmate pairing
• Celebrity status made Peterson an identifiable target for attack
• Security personnel were slow to respond to stabbing incident
• Prison did not use flash grenades or other containment measures
• Peterson’s personal possessions, including unreleased songbooks, remain missing