Former Donegal Traffic Corps Sergeant believed breath tests figures were not reliable

A retired Sergeant in the Traffic Corps in Donegal has said that at the time he was coordinating drink driving checkpoints in the county, he believed there were question marks over some of the figures he was being given.

Iggy Larkin says he was being given figures for the number of breath tests administered which were not backed up by the usage data coming from the machines.

He was speaking on today's Shaun Doherty Show............