A prison tutor has admitted misconduct after her inappropriate relationship with an inmate was exposed when a colleague found their classroom door locked from the inside.
The Discovery That Unravelled the Affair
The illicit relationship between tutor Melissa Murphy and the prisoner at HMP Chelmsford began to unravel in late 2023. Another member of staff grew concerned when they attempted to enter a classroom occupied solely by Murphy and the inmate.
The door was locked from the inside, and Murphy's keys had been removed from her person, a direct breach of prison security protocol. Staff are required to keep their keys attached at all times to prevent inmates from accessing them and potentially orchestrating an escape.
Letters and a Bedroom Photograph
Following this incident, police launched an investigation and searched Murphy's home in Chelmsford, Essex. Officers discovered a cache of incriminating evidence.
Several letters exchanged between Murphy and the prisoner were found, detailing their relationship. The correspondence suggested the affair started after the inmate first contacted Murphy in November 2023. Instead of reporting this inappropriate contact as required, she chose to reply.
Police also found a photograph of the prisoner in Murphy's bedroom. The 48-year-old tutor, formerly known as Melissa O'Brien, had worked at the prison for four years, helping to train inmates for employment after their release.
Guilty Plea and Professional Consequences
Murphy was first arrested on 11 December 2023 and her employment at the prison was immediately terminated. She was later charged via postal requisition on 12 February 2025.
At a hearing at Chelmsford Crown Court on 28 November 2025, Murphy pleaded guilty to one count of misconduct in a public office. The court will pass sentence at a later date.
Detective Constable Becky Sparrow, the investigating officer, stated that Murphy had "abused a position of trust" by forming the relationship. She emphasised that prisoners are inherently vulnerable and that staff must not exploit this dynamic.
"By entering into this relationship, Murphy compromised that integrity, exploited a vulnerable man and left herself open to exploitation too," DC Sparrow added. The detective confirmed that close work with prison security ensured a strong case, leaving Murphy with little choice but to admit guilt.
