Paul still has his manners, thankfully, and a big thank you to SMB, Jolan, paul and The Judge for their assistance yesterday! I had to rush off for the day and have only just been able to reply. "Poisoner it is, then - I took a cursory glance at the clue and committed "prisoner" ro memory. Hence the faux pas in my enquiry! But you all rose above it like the stalwarts that you are and sorted me out!