Burying the controversy with an inquiry is not an option. The buck stops with O'Sullivan
Dismiss and deny and seek to discredit.
That's been the form of senior Garda management - often blindly backed by fledgling ministers - when serving officers have taken the major leap to become what are known as 'whistleblowers'.
Take the former Garda Commissioner Martin Callinan, who during a now infamous carpark meeting allegedly told ex-PAC chairman John McGuinness that Sergeant Maurice McCabe "wasn't to be trusted".