“Her story should serve as a warning, an example to other people considering whether to do these things,” Mr Herron continued. “The Colombian judicial system is well structured and it takes into account people’s particular circumstances. The fact that she was threatened was an important consideration in the plea deal.”

“She isn’t a criminal. She made a mistake, she allowed herself to be tricked and she didn’t use the means at her disposal by not asking authorities for help,” he said.

In the Colombian jail system good behaviour could be termed as teaching English classes such as Sainsbury has been doing in the jail.