>>Did the supervisor call the police?
Would a supervisor have authority to do that without permission from someone high up in the company?
Or did Virgin call the police?<<
One version from today's Washington Post article:
"...Law enforcement officials said the incident began when someone at the airport smelled alcohol on [redacted]. It was unclear whether a screener noticed the smell or whether it was picked up when [redacted] was near the ticket counter area.
The Metropolitan Washington Airports Authority Police Department was contacted and notified Virgin Atlantic. Airline officials boarded the plane and spoke to [redacted] in the cockpit before summoning airport police, who escorted him off, said Tara Hamilton, a spokeswoman for the authority..."