This series was made by Thames Television for the ITV network in the UK. Network, who released this on DVD, would have been the best chance of getting this on Blu-ray, but they have now gone out of business.
Here's a question for John or any other The FBI expert here. What is the backstory on Arthur Ward? Was he married and now a widower like Erskine. Is he divorced, or just someone who never married. Just watched a Season 4 episode, and there was Ward in a single bed answering a call at night from...