A leading publishing house has shelved plans for a new book telling how corrupt gardai tried to frame a Donegal businessman for a murder that never was.

Fine Gael MEP Jim Higgins said a retired garda was the source of ’Anonymous Allegations’ on garda corruption because he needed to make them credible, it was claimed today.

A former garda and friend of Frank McBrearty Snr today said he typed letters containing details of Garda inspections on the Donegal publican’s premises.

An internationally respected forensic scientist today said he believed a retired garda typed a fax implicating the force’s top brass in dirty policing.

An international handwriting expert today ruled out claims by a wrongly-arrested murder suspect that detectives forged his signature on statements.