John McGuinness told tribunal Callinan called whistleblowers headbangers

This report is a localnews.ie summary based on public court reporting and records; sources are listed below.

John McGuinness told the Disclosures Tribunal on 9 April 2018 that Martin Callinan labelled Garda whistleblowers “headbangers”.

He said the remarks followed a Public Accounts Committee meeting about penalty points abuses in 2014.

Callinan denied making the comments, while the tribunal heard conflicting accounts of their conversation.

McGuinness also said rumours had circulated in Leinster House seeking to discredit Sergeant Maurice McCabe.