blackmailer

They then receive threats the material will be shared with family and friends unless they meet the blackmailer's demands - pressure it is believed led Murray to take his own life.

The shame, stress and isolation felt by victims of sextortion crimes, often harassed and told their images will be shared publicly if they do not pay blackmailers, has led some to take their own lives.

Dr Nusrat happened to know someone senior in the police who spoke to the blackmailer, warning him he could be arrested for what he had done.

John lost more than £3,000 trying to stop the blackmailer from sharing the image.

Although he had not sent any images himself, the blackmailers mocked up a compromising picture and in a text threatened to share it.