Mr Healy and Miss Swift also deny a second charge of perverting the course of justice between 17 July and 8 August by "concealing or disposing" of Mr Kennedy's body parts, which have never been recovered.
Ms Swift and Mr Healy also deny a second charge of perverting the course of justice between July 17 and August 8 last year by "concealing or disposing" of the body parts of Mr Kennedy.
"The comparisons (to Swift Boat) are apt, particularly with the Bain outsourcing of jobs charge because there is a thin veneer of truth to that just as there was a thin coating of truth with the attacks of Kerry not deserving his medals, " Arterton said.