Widespread new psychoactive substances in prison

Each row is one judged link between an earlier and a later report. Open a row to read both quotes, found word for word in the originals. ?Every quote shown was checked by code to appear word for word in the original report.

• 2016 → 2021Anthony Clacher5 years 6 months after Shalane Blackwood · different coronerClosely relatedConfidence 0.90 · high

  Closely relatedConfidence 0.90 · high

  Both reports highlight the ongoing prevalence of psychoactive/New Psychoactive Substances within the prison system as a serious safety concern. The later report adds details about welfare‑check policies but the core hazard—widespread psychoactive substance use—remains the same.

  Shalane Blackwood · 3 May 2016

  “That the use of New Psychoactive Substances (NPS) remains rife within the prison, and presentations such as Mr [name redacted] are not diminishing, and that the Substance Misuse Team requires further staff to be effective in future.”

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  Anthony Clacher · 22 Oct 2021

  “At the time of [the deceased]'s death, the use of psychoactive substances was a problem at HMP Guys Marsh as it was, and continues to be, across the prison estate. Psychoactive substances were said to be the most dangerous drug in prison.”

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  Earlier report in the app · Later report in the app

• 2021 → 2023Jason Williams1 year 3 months after Anthony Clacher · same coronerClosely relatedConfidence 0.80 · moderate

  Closely relatedConfidence 0.80 · moderate

  Both reports highlight problems related to the use of psychoactive substances in prison and the lack of adequate safeguards.

  Anthony Clacher · 22 Oct 2021

  “At the time of [the deceased]'s death, the use of psychoactive substances was a problem at HMP Guys Marsh as it was, and continues to be, across the prison estate.”

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  Jason Williams · 2 Feb 2023

  “A Governor notice was not issued in the time leading up to [the deceased]'s death to prisoners or staff around the concerns regarding access to, and the impact of using, psychoactive substances.”

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  Earlier report in the app · Later report in the app

• 2021 → 2025Derrion Adams4 years 1 month after Anthony Clacher · different coronerClosely relatedConfidence 0.80 · moderate

  Closely relatedConfidence 0.80 · moderate

  Both reports highlight the danger posed by prisoners being under the influence of psychoactive substances and the need for proper staff response.

  Anthony Clacher · 22 Oct 2021

  “At the time there was no policy in place regarding welfare checks to be undertaken upon somebody found under the influence of psychoactive substances and the prison staff would rely upon guidance provided by the healthcare staff.”

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  Derrion Adams · 18 Nov 2025

  “Additionally the policy provides for the gathering of information and intelligence about the individual prisoner and the situation in the prison overall.”

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  Earlier report in the app · Later report in the app

• 2016 → 2025Oliver Mulangala9 years 7 months after Shalane Blackwood · different coronerIdentical hazardConfidence 0.92 · high

  Identical hazardConfidence 0.92 · high

  Both reports highlight the ongoing widespread presence of New Psychoactive Substances (NPS) in the prison and note that the situation has not improved over time.

  Shalane Blackwood · 3 May 2016

  “That the use of New Psychoactive Substances (NPS) remains rife within the prison, and presentations such as Mr [name redacted] are not diminishing, and that the Substance Misuse Team requires further staff to be effective in future.”

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  Oliver Mulangala · 8 Dec 2025

  “Prison Officer B ([REDACTED]) told the court: "[REDACTED] is a daily occurrence, it's too much to handle...some batches are bad and they can then be violent"”

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  Earlier report in the app · Later report in the app