Prison tutor caught in relationship with inmate after worker found classroom door locked

Melissa Murphy had worked at HMP Chelmsford for four years (Picture: Getty)

A prison tutor’s affair with an inmate was rumbled when another member of staff tried to enter their classroom only to find it locked from the inside.

Melissa Murphy’s letters to the prisoner along with a photo of him she kept in her bedroom were found when police searched her home in Chelmsford, Essex.

Murphy, formerly Melissa O’Brien, had worked at HMP Chelmsford for four years.

The 48-year-old...