Rapper Sues California Prison System Over Stabbing Incident

April 15, 2026 · Haley Fenwood

Rapper Tory Lanez has launched a $100 million legal action against California’s Department of Corrections after a severe stabbing incident whilst incarcerated at the California Correctional Institute in Tehachapi in May. The musician, known as Daystar Peterson and presently completing a 10-year prison term for the 2020 shooting of Megan Thee Stallion, was stabbed 16 times by fellow inmate Santino Casio in what the lawsuit characterises as an “unprovoked dangerous assault.” The attack left Peterson hospitalised with a collapsed lung and multiple stab wounds to his back, torso, and head. The lawsuit identifies the Department of Corrections, the facility warden, and guards as defendants, alleging negligence in housing decisions and a delayed response to the violence.

The May 2025 Incident and Its Consequences

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 attack that left the rapper struggling to survive. Peterson sustained a collapsed lung alongside multiple stab wounds 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 recovery, Peterson was transferred to San Luis Obispo County’s California Men’s Colony, constituting another stage in his prison ordeal. The lawsuit further contends that during this relocation, Peterson failed to retrieve his belongings from Tehachapi, including songbooks featuring lyrics to unreleased music—a loss that compounds the emotional and physical suffering of the attack. Notably, despite the gravity of the incident, Casio was not charged in connection with the assault, a detail the lawsuit highlights as part of systemic shortcomings within the correctional system.

  • Casio struck Peterson 16 times during the unprovoked incident
  • Peterson hospitalised with collapsed lung and multiple wounds
  • Moved to California Men’s Colony after recovery
  • Personal belongings, including songbooks, remained missing from Tehachapi

Allegations of Negligence, and Systemic Failure

Accommodation Choices and Security Concerns

At the core of Peterson’s lawsuit lies a core criticism of the Department of Corrections’ decision-making concerning prisoner accommodation placements. The legal filing contends that placing Peterson alongside Santino Casio—a lifer serving time for murder in the second degree—constituted a catastrophic failure in risk evaluation and prisoner classification. The lawsuit argues that the department “knew or should have been known” to recognise the danger inherent in this pairing. Peterson’s prominent public status, the suit contends, rendered him an clear target within the prison environment, making the housing decision not simply negligent but callously indifferent to his safety and wellbeing.

The lawsuit emphasises that such housing decisions necessitate close examination of prisoner histories, threat levels, and underlying reasons for violence. By neglecting to isolate Peterson from Casio, facility management purportedly showed a institutional indifference for fundamental security procedures that ought to regulate California’s prison system. This breach of care, the counsel maintains, directly precipitated the conditions under which the stabbing happened, converting what might have remained preventable violence into an wholly predictable consequence of organisational negligence and inadequate protective measures.

Response and Guard Behaviour

Beyond the primary accommodation decision, the lawsuit targets correctional officers’ response during the incident of violence. According to the complaint, correctional officers were slow to intervene when Casio carried out his attack, allowing the violence to escalate unchecked. The lawsuit specifically criticises the failure to deploy non-lethal devices or other non-lethal tactical measures that might have stopped the attack before Peterson suffered his worst injuries. This alleged slow reaction to an ongoing stabbing attack suggests either poor preparation, understaffing, or a troubling indifference to inmate welfare—each possibility reflecting poorly on institutional competence.

The guards’ conduct during the crucial minutes of the attack prompts inquiry into emergency protocols and personnel readiness within California’s prison system. Standard correctional procedures typically mandate rapid response to violent incidents, yet the lawsuit indicates this incident departed substantially from such protocols. The combined impact of slow response times 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 grave occurrence into a critical emergency demanding hospital treatment.

The Wider Context of Lanez’s Confinement

Tory Lanez’s ongoing incarceration originates from a widely publicized 2020 shooting incident featuring rap artist Megan Thee Stallion. The altercation, which occurred during the summer of 2020, resulted in Peterson firing at Stallion in her foot. Following a lengthy legal process, he was found guilty in December 2022 on multiple gun-related charges, including assault with a firearm, and subsequently sentenced to a ten-year prison sentence. This conviction represented a major turning point in hip-hop, attracting widespread media attention and igniting considerable debate across the music sector regarding responsibility and the circumstances surrounding the occurrence.

Peterson’s ongoing litigation have continued throughout his incarceration, with his attorneys mounting an appeal contesting the conviction and sentence. However, in November 2025, a three-judge panel denied his appeal and confirmed the 10-year sentence originally imposed, essentially shutting down what many hoped would be an route to freedom or sentence reduction. This denial came approximately six months after the stabbing attack at Tehachapi, meaning Peterson was contending with both the physical and psychological aftermath of the prison stabbing whilst at the same time dealing with the frustration of his failed appellate challenge. The convergence of these circumstances has substantially complicated his circumstances within the California prison system.

Key Event Date
Shooting incident involving Megan Thee Stallion Summer 2020
Conviction on firearms charges December 2022
Stabbing incident at California Correctional Institute Tehachapi May 2025
Appeal denied by three-judge panel November 2025

Legal Actions and Damages Claimed

Tory Lanez’s court action against the California Department of Corrections demands $100 million in compensation, amounting to one of the most significant cases filed against the state’s correctional system in the past several years. The lawsuit names the Department of Corrections as the main defendant, together with the warden and correctional officers stationed at the California Correctional Institute in Tehachapi. The lawsuit asserts that widespread deficiencies in facility operations and safety measures resulted in the extent of Peterson’s injuries during the May 2025 stabbing incident. The large compensation amount reflects both the physical injuries sustained and the psychological impact of the unprovoked attack.

At the heart of the lawsuit’s arguments is the assertion that correctional officials made a catastrophically poor choice in placing Peterson with fellow inmate Santino Casio, who was serving a life sentence for second-degree murder. The court documents asserts that the correctional department either was aware or should have known that this housing arrangement posed a significant risk to Peterson, especially given his prominent inmate status within the prison. Furthermore, the lawsuit criticises the response of correctional staff, arguing that officers did not use appropriate emergency measures such as flash grenades to halt Casio’s assault. Notably, Casio was never charged with the stabbing despite inflicting 16 injuries on Peterson.

  • Correctional Department failed to prevent known dangerous inmate pairing
  • Celebrity status made Peterson an identifiable target for violence
  • Security personnel delayed response to stabbing incident
  • Prison did not use flash grenades or alternative security measures
  • Peterson’s belongings, including unreleased songbooks, are unaccounted for