but it's tankz singing. all of these clues put together makes us believe that tankz may be a student from london by the name of luke josef. so, having put all those clues together, what did you then do with the results of the investigation? are police, for example, now pursuing some of these fraud influencers? in terms of the police, i'm not sure what they're doing. that's definitely one for them. kafui 0kpattah, speaking to me a little earlier. speaking to me a little earlier about panorama: hunting the social media fraudsters is available now on iplayer. 0nline harm is a big issue at the moment. there is the fraud we have just heard about, in locations in the shooting in plymouth in the last week or so about radicalisation online. what are the social media companies doing about this just now? they're focused on content moderation and this - is a perennial problem - because for as long as there have been social media i platforms there have been