article_snippet: only explanation was that the trace of the Class A drug had come from the hundreds of pounds in cash Alan Bailes handled that day.
article_snippet: To clear him name, the grandfather-of-three spent £440 on a more accurate hair follicle test through him GP – which proved him had not had drugs in him system for at least 90 days.
article_snippet: Alan Bailes said: ‘I hadn’t smoked cigarettes for 16 years and I have never taken drugs in my life.
article_snippet: Following his dismissal, Alan Bailes family found a Daily Mail article about traces of illegal drugs on bank notes.
article_snippet: During the tribunal an expert witness presented evidence that the positive result was down to ‘sample contamination’ from the money Alan Bailes handled.
article_snippet: Contamination is believed to occur within weeks of notes entering general circulation.
highlights_snippet: Alan Bailes paid for a hair follicle test because Alan Bailes wanted to prove innocence .
  
highlights_snippet: a hair follicle testshowed Alan Bailes had had no drugs in Alan Bailes system for 90 days .
  