A former Las Vegas poker dealer accused of conspiring with a Clare woman to kill her partner and his two sons told gardai he didn’t know how a contact lens case that tested positive for Ricin came to be in his cell at Limerick prison a jury at the Central Criminal Court has heard.

A jury in the Central Criminal Court has been hearing that the lethal toxin Ricin was found in the prison cell of a former Las Vegas poker dealer accused of conspiring with a Clare woman to kill her partner and his two sons.