article_snippet: In the UK, someone wasn't arrested once, prosecuted or cautioned whatsoever.
article_snippet: British authorities have not responded to CNN's requests for comment on the case.
article_snippet: But it was a difficult complaint to prove, Thomas-Johnson said.
article_snippet: The IPCC says there's no camera in the room where this took place, so we can't really do much about this except put a black mark against the police officer," the police officer said.  
article_snippet: So it is very difficult to independently verify once it's taken place.
article_snippet: There isn't much of an opportunity to gain redress and accountability.
article_snippet: Details from court papers reported in British media paint a different picture.