One does have to wonder why anyone not obliged by their employer to focus on child abuse would choose to do so unless they were deriving some kind of satisfaction or material gain from it. Bringing this round to the Rolf Harris case yet again, the Australian woman who was one of the four main accusers in his first trial was the subject of a paid pre-trial article by a women's magazine which said that she became "fixated on child sexual assault cases" (
source). That seems to suggest online activity - not necessarily anything illegal, but possibly research for a story.