As a police officer who investigated sex crimes, Graeme Simpfendorfer was accustomed to helping victims. But then came the day when he realised that he, too, was an alleged victim.

As a police officer who investigated sex crimes, Graeme Simpfendorfer was accustomed to helping victims. But then came the day when he realised that he, too, was an alleged victim.

An experienced police officer was learning about the grooming tactics of child sexual predators. When they mentioned tickling, he froze.