HOW THE QUESTIONS PILED UP...

OCT 7, 2016: Sportsmail reveals that UK Anti-Doping are investigating Sir Bradley Wiggins and Team Sky over a medical package delivered before the 2011 Tour de France.

OCT 10: Team Sky general manager Sir Dave Brailsford is branded ‘silly and careless’ by rider Emma Pooley. Brailsford had told Sportsmail that Simon Cope — the British Cycling coach who couriered the mystery package — was in France to see Pooley race. Pooley since confirmed she was 687 miles away on that day.

OCT 12: Cope claims he had no idea what was in the package.

OCT 15: Sportsmail reveals that Wiggins committed a ‘whereabouts failure’ — the equivalent of a missed drugs test — less than three months before that year’s Rio Olympics.

OCT 19: Riders Chris Froome and Sir Chris Hoy insist Wiggins has questions to answer over Therapeutic Use Exemptions for banned drug triamcinolone.

OCT 21: British Cycling chief executive Ian Drake announces he will step down in April.

OCT 28: Sportsmail reveals senior figures at British Cycling will be questioned by a Parliamentary select committee.

DEC 19: Brailsford tells the committee he was told by Team Sky’s Dr Richard Freeman (right) that the package contained Fluimucil, which was given to Wiggins at the end of the Criterium du Dauphine.

DEC 29: British Cycling are unable to confirm what was in the mystery package.

FEB 9, 2017: British Cycling chairman Bob Howden resigns.

MAR 2: UKAD chief executive Nicole Sapstead reveals Freeman had not kept proper records of the prescription drugs he gave to riders. Investigators discovered Freeman kept all records on a laptop he claims was stolen in Greece in 2014.

MAR 18: Former Sky rider Josh Edmondson admits breaking the team’s ‘no-needles’ policy between 2013 and 2014 and says he was given controversial painkiller tramadol during the 2013 Tour of Britain.

NOV 16: UKAD close their investigation due to insufficient evidence, but Sapstead stressed there was a ‘serious concern’ over Team Sky’s ‘lack of accurate medical records’.

NOV 21: Sportsmail reveals that Oldham-based firm Fit 4 Sport Ltd, the supplier who sent a batch of banned testosterone patches to Team Sky and British Cycling’s HQ, refused to co-operate with British Cycling’s investigation.

DEC 14: It emerges that Froome was found to have double the permitted levels of asthma drug salbutamol at the Vuelta a Espana in September. TODAY: Sportsmail reveals an investigation may have evidence suggesting the testosterone patches were ordered from Team Sky’s HQ.