Senior garda engaged in "deliberate and unmitigated" cover-up, "whistleblower" tells tribunal

A garda whistleblower has concluded three weeks of testimony before an ongoing tribunal, maintaining that a former assistant garda commissioner orchestrated a "deliberate and unmitigated" cover-up when investigating his allegations of garda collusion with a heroin dealer. Garda Nicholas Keogh alleged that a senior member of the Athlone drugs unit engaged in an improper relationship with a heroin supplier. The…