To outsiders, Dale Bolinger was a respected nurse – a job requiring care and empathy – at a leading Kent hospital. But in reality, he had a dark side, prowling the seedy underbelly of the online world apparently in pursuit of living out a sick fantasy. A little over 10 years ago, he had been chatting online to what he thought was a 14-year-old Mexican girl living in Germany. They had met through a website known as the Dark Festish Network. Lurking in the dark web, it was dedicated to talk of kidnap, rape, torture, murder and cannibalism. Bolinger – who would go on to be dubbed ‘the Canterbury …