Prison teacher jailed for affair with inmate exposed by secret SIM card

Melissa Frost’s husband exposed her affair with the inmate after discovering her secret SIM card (Picture: East Anglia News Service)The husband of a prison teacher exposed her affair with an inmate after she sent a letter ‘from her children’ saying ‘thank you for making mummy happy’, a court has heard.Melissa Frost’s husband discovered 107 messages between the pair on a secret mobile SIM card after suspecting she was having an affair possibly with a prison off