article_snippet.sent: Scroll down for video .
article_snippet.sent: The senior officer responsible for Operation Yewtree , Detective Superintendent David Grey began investigating the paedophile brothel in 2013 when it was mentioned in another police report.
article_snippet.sent: The DJ died in 2011 when The DJ terrible secret life became public knowledge.
article_snippet.sent: Details of the alleged assault were never put on the police computer.
highlights_snippet.sent: Operation Yewtree detectives have been busy examining the old files .