Superintendent David Taylor

The Garda Commissioner has warned the faults within the service are so "deep-seated" that he cannot be sure it is not continuing to happen.

A former Garda commissioner has told a tribunal that claims he orchestrated a smear campaign against a whistleblower were made up by a superintendent with a grudge.

A former Garda press officer who claims he was ordered to run a smear campaign against a whistleblower has denied that he wanted to "bring down" the force's commissioner.