A commentary piece published by the Daily Mail/Mail Online describes the author’s experiences waitressing at high-society events, including Henley and Ascot, and claims that she can recognize when people are using cocaine. The article frames its observations around the summer events season and presents the author’s perspective on what she says are indicators of cocaine use among patrons. It directs readers to consider whether friends or family members could be “secret users” and discusses the author’s claimed ability to detect drug use based on her experience in service settings. The piece does not present official testing results or attributable evidence from health authorities; instead, it is written as personal recollection and opinion from the author. As presented in the available text, the article’s central focus is the author’s asserted method of identification rather than any documented investigation or reported case outcomes. The reporting is therefore based on a first-person narrative and does not provide independent verification for the claims made.