Wow. There can't be many people around who even remember Duke Street Prison, let alone have that sort of connection to it.

https://en.wikipedia.org/wiki/Duke_Street_Prison

I used to live in Dennistoun (late 80s/early 90s) so I knew where it had been.

Being called William Fullerton would have been a bit of a liability for an Irish Republican - I presume no relation...

Billy Fullerton