Timeline of the Garda breath-test scandal events

As the controversy over the recording of breath tests rumbles on, the gardaí, Department of Justice, and the Medical Bureau of Road Safety (MBRS), each outlined the timeline of events:

April 11, 2014

Then-transport minister Leo Varadkar wrote to the Garda commissioner after anonymous correspondence is received by then-chairman of the Road Safety Authority, Gay Byrne, containing allegations about mandatory alcohol test checkpoints in the west of Ireland.